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                    [post_content] => Our team continues to grow with talented professionals who are passionate about our mission and the work we do. Today, we’re pleased to introduce our newest team members, who bring valuable experience and fresh perspectives to our organization. Please join us in welcoming them!

Charlie Aquilina, PE, CFM - Water Resources Engineer

Charlie is a licensed Professional Engineer and a Certified Floodplain Manager with over five years of experience in water resources engineering. His expertise includes hydrologic and hydraulic modeling, green stormwater infrastructure, civil site design, ecological restoration, and flood resilience. Charlie holds a M.S. in Biological Systems Engineering and B.S. Environmental Science/B.A. Geography from Virginia Tech.

Prior to joining Princeton Hydro, Charlie worked as a Water Resources Engineer for Meliora Design, where he designed green stormwater infrastructure projects such as rain gardens and underground infiltration beds, created master plans for state and local parks, and modeled conceptual floodplain restoration studies for the Brandywine Creek Flood Study. Before Meliora, he worked at Kleinschmidt Associates where he worked on hydrologic and hydraulic projects such as dam breaches, dam removals, nature-like fishways, and FEMA LOMRs.

Outside of work, he likes to play ultimate frisbee and lead his local Environmental Advisory Council where he plans park invasive removals and tree giveaways.


Mike Chenosky - Business Administrator & Compliance Manager

Mike serves as the Business Administration and Compliance Manager at Princeton Hydro. He brings a unique perspective to the team, built over a 20-year career in the U.S. Air Force as a KC-10 Extender Boom Operator. During his time in the service, Mike did more than just fly; he managed global logistics missions and was responsible for the essential training, certification, and compliance of aircrew members.

After retiring from the military, Mike spent four years as a Senior Manager at Verizon, where he focused on business transformation and strategy. Today, he uses that background to lead our efforts in regulatory compliance, policy development, and keeping our administrative processes running smoothly.

Mike holds an MBA from Temple University and a B.S. in Business from Penn State. When he’s not in the office, you’ll likely find him cooking, traveling with his family, or tending to his woodworking projects, garden, and chickens.


Tyler Thomas - Staff Scientist, Aquatics

Tyler graduated from the University of Rhode Island in 2024 with a B.S. in Environmental Science and Management. At URI, he began as a research assistant studying the rapid spread of aquatic invasive species throughout Rhode Island’s wetlands. Tyler later transitioned to marine systems, assisting a project at URI’s Graduate School of Oceanography investigating phytoplankton dynamics in the Gulf of Mexico. While studying abroad at the Universidad Católica de Valencia in Spain, Tyler researched the Mediterranean fan mussel and became Scuba certified.

Following his graduation, Tyler stayed with the Graduate School of Oceanography to complete a project aboard the RV/IB Nathaniel B. Palmer. Here, he researched phytoplankton blooms along Antarctica’s coast and across the Southern Ocean while also achieving his dream of setting foot on all seven continents.

During his free time, Tyler enjoys surfing, reading, playing music, and exploring Philadelphia, where he now lives.

 

Our newest team members are already making valuable contributions, and we’re excited to see their impact continue to grow. We’re so glad to have them as part of the team!

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At Princeton Hydro, we take pride in fostering a culture of continuous learning and professional growth. Today, we're delighted to celebrate the accomplishments of two team members whose recent certifications exemplify this commitment. Their achievements not only reflect individual dedication but also enhance our firm’s collective ability to innovate and deliver exceptional environmental solutions.


Scott Churm Earns EutroSORB® PRO Certification

Scott Churm, Senior Director of Field Services, recently became a PRO Certified EutroSORB® Specialist—a designation granted by SePRO Corporation to professionals trained in the implementation of EutroSORB Water Quality Technologies for phosphorus control in lakes and ponds.

EutroSORB® is a cutting-edge technology designed to reduce phosphorus levels, curtail eutrophication, and restore the health of aquatic ecosystems. To earn this certification, Scott completed specialized training and passed a comprehensive exam, demonstrating his advanced knowledge in evaluating water quality issues and prescribing targeted, effective solutions.

Since joining Princeton Hydro in 2006, Scott has led our pond and lake management services with unmatched expertise. From identifying invasive aquatic species to overseeing long-term management plans, his work spans hundreds of sites and over 1,000 acres. He’s a licensed pesticide applicator in five states and has implemented a wide range of techniques, from hydro-raking and weed harvesting to aeration system installations and biological controls, to support the health and balance of aquatic environments.

With this new certification, Scott adds another tool to his already expansive toolbox, further reinforcing our team’s ability to restore and preserve water bodies across the region.


Matthew Pappas Becomes a Certified Construction Specifier (CCS®)

Matthew Pappas, a Geotechnical Engineer at Princeton Hydro, recently earned the prestigious CCS® credential from the Construction Specifications Institute (CSI). This certification demonstrates advanced proficiency in specification (spec) writing, construction documentation, and product research—critical skills that improve project delivery and communication across all phases of construction.

To become CCS-certified, candidates must pass a rigorous exam that evaluates their understanding of contracts, technical documentation, and spec development best practices. With this achievement, Matthew joins a select group of professionals recognized for their ability to clearly and effectively communicate design intent, construction materials, and performance standards.

Since joining Princeton Hydro in 2019, Matthew has worked across disciplines, supporting our geotechnical practice and green infrastructure initiatives. His responsibilities span from field investigations and laboratory testing to slope stability and sediment modeling to spec drafting and cost estimating. He’s also earned several technical responsibilities, including serving as the firm's Radiation Safety Officer and receiving training in concrete field testing.

Matthew's initiative and adaptability have made him a valuable asset to our team, and his CCS certification further exemplifies his dedication to technical excellence and lifelong learning.


Congratulations to Scott and Matthew on their well-earned achievements! To learn more about the Princeton Hydro team, click here.

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Princeton Hydro President Geoffrey M. Goll, PE, recently traveled to Durban, South Africa, to participate in a symposium focused on “Dam Management and Restoration of River Connectivity.”

Organized by the Ruben Rocha of the Dam Removal South Africa initiative of the former World Fish Migration Foundation (WFMF) and the Institute of Natural Resources (INR), this inaugural event brought together international experts, local researchers, and representatives from government agencies and environmental organizations to explore the complex challenges of balancing water security with ecosystem protection in South Africa. The dynamic two-day program featured on-site exploration, expert-led presentations, and collaborative “World Cafe” workshops aimed at advancing sustainable water management practices across South Africa.

[caption id="attachment_17288" align="aligncenter" width="1346"] Photo by INR[/caption]

Day One: A Field Visit to the uMkhomazi River

The workshop kicked off with a visit to two weirs on the lower uMkhomazi River: the Goodenough Weir and the Department of Water and Sanitation Weir. Participants gained a firsthand perspective on the intricate and difficult balance between infrastructure development and ecosystem function preservation. At the Goodenough Weir, construction efforts to upgrade the structure were underway, incorporating a fish passage designed to support the upstream migration of native fish species. In contrast, just upstream, the outdated Department of Water and Sanitation Weir presented a stark example of the challenges posed by aging infrastructure. Its obsolete design continues to block river connectivity and disrupt natural habitats, impeding the broader success of restoration efforts downstream. The success of the Goodenough Weir’s fish passage structure will be evaluated for its effectiveness once in operation.

This field visit provided an immersive learning experience, sparking meaningful discussions among attendees. Participants explored strategies for harmonizing ecological priorities with critical infrastructure needs, emphasizing the importance of collaboration and adopting a holistic, big-picture approach to sustainable water management and river connectivity.

[caption id="attachment_17289" align="aligncenter" width="788"] Photo by WFMF[/caption]

Day Two: Expert Insights and Collaborative Discussions

The second day of the workshop was packed with impactful presentations and interactive discussions, offering both local and international perspectives on sustainable water management and river restoration.

South African representatives shared innovative strategies and real-world examples from their work:

  • Navashni Govender of SANParks highlighted South Africa's groundbreaking efforts in Kruger National Park, where dam removals—the first of their kind on the African continent—have restored natural river flow and enhanced biodiversity.

  • Nkosinjani Mkhize of the Pongola-Umzimkhulu Catchment Management Agency discussed strategies for balancing social and ecological demands.

  • Futhi Vilakazi of uMngeni-uThukela Water addressed the dual challenge of securing water supplies and protecting ecosystems, with a focus on catchment interventions.

  • Dr. Andrew Blackmore of KZN Wildlife provided a detailed exploration of South Africa’s complex regulatory framework for dam removal, shedding light on how to navigate environmental legislation effectively.

The program also welcomed two international experts who enriched the conversation with perspectives from their respective regions:

[caption id="attachment_17297" align="alignright" width="366"] Geoff and Hamish presenting. Photo by WFMF.[/caption]

Princeton Hydro President Geoffrey M. Goll, PE delivered a presentation titled “Sediment Management Before, During, and After Dam/Weir Removal,” emphasizing the critical role of sediment in maintaining river health. Through case studies and strategies from the United States, he demonstrated how proactive sediment management can enhance both the ecological and social benefits of barrier removal. His insights underscored the interconnected challenges of sedimentation, water quality, and dam removal—issues South Africa must address to achieve sustainable water resource management.

Mr. Hamish Moir of Scotland’s CBEC Eco-Engineering shared success stories from Europe, including projects in Scotland, the UK, and Iceland. His presentation on reconnecting rivers through selective barrier removal showcased how nature-based solutions can improve ecosystem dynamics and mitigate flood risks, offering valuable lessons for South Africa.

The day concluded with interactive "World Café" workshop sessions focused on key themes such as stakeholder involvement, governance mechanisms, water scarcity, biodiversity, socio-economic impacts, and funding models. Participants explored solutions for integrating ecological, social, and economic priorities into river restoration projects.

Together, the presentations and workshops provided actionable knowledge and innovative approaches to advancing river connectivity and sustainable dam management.


Further Insights on South Africa’s Water Challenges

After the conference, Geoff had the honor of being invited by Dr. Matthew Burnett to tour the University of KwaZulu-Natal’s hydraulics lab. Dr. Burnett, who serves as Principal Scientist at the Institute of Natural Resources, Honorary Freshwater Ecology Researcher at the University of KwaZulu-Natal, and coordinator of the “Dam Management and Restoration of River Connectivity” symposium, introduced Geoff to the research being conducted at the University. Researchers there are developing sediment transport models and fish passage testing methods. The emerging program reflects South Africa’s growing commitment to tackling water scarcity, sedimentation, and ecosystem health.

Geoff noted that South Africa is at a pivotal stage in balancing water security with ecological protection. Many dams, while designed for long-term water availability, struggle with sedimentation that reduces reservoir capacity and leads to water quality issues like harmful algal blooms, in addition to creating barriers for diadromous and potamodromous fish, prawn, and crab species. These challenges highlight the need for integrated solutions that address human, agricultural, and biodiversity needs, ensuring sustainable outcomes.


Reflections and Future Impact

“It was an honor to be invited to South Africa to participate in this important workshop and collaborate with so many talented individuals, all while gaining a deeper understanding of the country’s water resource challenges,” said Geoff. “By exchanging knowledge and ideas from around the world, we can foster innovative approaches and shape balanced solutions.”

Geoff’s participation exemplifies Princeton Hydro’s commitment to advancing global river restoration efforts. By sharing expertise and fostering collaborative dialogue, the workshop in Durban marked a meaningful step toward reconnecting South Africa’s rivers and creating a more sustainable future for its communities and ecosystems.


Personal Highlights from Geoff’s Travels to South Africa

Before the workshop, Geoff and his wife, Amy, began the trip in Cape Town immersing themselves in South Africa’s rich culture and natural beauty. They explored the city, took part in a guided history tour, and visited the Cape of Good Hope where they admired the stunning coastal landscape, vibrant flora, and fascinating wildlife, including African penguins!

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As 2024 comes to a close, we’re proud to reflect on a year filled with meaningful achievements and memorable milestones. From groundbreaking projects to personal accomplishments, these successes highlight the dedication and innovation of our team and the strength of our partnerships. None of this would have been possible without the unwavering support of our clients, collaborators, and staff.

Join us as we celebrate the top 10 successes that made this year extraordinary:

1. Restored Free-Flowing Rivers in the Delaware River Watershed

This year marked major milestones in the restoration of three Delaware River tributaries. The removal of the 129-year-old Paulina Lake Dam on the Paulins Kill River reconnected an additional 7.6 miles of river habitat, adding to the 10 miles restored following the removal of Columbia Lake Dam. This project, led by The Nature Conservancy and designed by Princeton Hydro, represents a significant step forward in revitalizing New Jersey’s third-largest tributary to the Delaware River. The removal of Dam #2 on Bushkill Creek completed a five-dam removal effort, making the lower Bushkill Creek free-flowing and reconnecting it to the Delaware River for the first time in over 200 years. This effort enhances water quality, supports the passage of migratory fish, and bolsters freshwater mussel populations, vital to the health of the watershed. In November, work began to remove the Cedar Grove Dam, the first of four dams slated for removal along the Pequest River over the next year. This collaborative effort, led by The Nature Conservancy with training support from Princeton Hydro, will open nearly 10 miles of mainstem river and reconnect 57 miles of tributaries. Collectively, these dam removals celebrate a shared commitment to restoring ecological balance, reconnecting critical habitats, and supporting the biodiversity of the Delaware River Basin.


2. Designed & Implemented Urban Ecological Uplift Initiatives

Through engineering and ecological enhancements, we are revitalizing landscapes across the region. In New Jersey, the 279-acre Miry Run Dam Site 21 in Mercer County Park is being transformed into a vibrant public park that balances nature and community. We also collaborated with the Trenton South Ward Neighborhood Association on a Community Garden and Park Visioning project, assisting them in securing a grant that led to the planting of 500 native plants, enhancing public spaces and creating critical habitat for monarch butterflies. In Pennsylvania, Warrington Township’s Lion’s Pride Park is being converted into a resilient wetland complex with accessible pathways, demonstrating how ecological uplift fosters healthier communities. And, construction is now complete on the Turkey Foot restoration project within the John Heinz National Wildlife Refuge at Tinicum in Philadelphia. The project revitalized 7.5 acres of critical wetland and upland habitats, preserving Pennsylvania’s last freshwater tidal marsh and supporting migratory and threatened and endangered species. In New York, we broke ground on the Spring Creek (North) Ecosystem Restoration Project in Brooklyn and Queens, which aims to restore 43 acres of degraded habitat within Jamaica Bay into a mosaic of low marsh, high marsh, scrub shrub wetland, and maritime upland within a 67-acre footprint. Meanwhile, the addition of the Marsh Master® 2MX-KC-FH to Princeton Hydro’s fleet elevated the ability to combat invasive species like Phragmites australis with minimal ecological disturbance.


3. Earned 7 Prestigious Awards

Princeton Hydro was recognized as one of New Jersey’s “Top Workplaces of 2024,” a prestigious honor that highlights our commitment to fostering an inspiring and supportive work environment. Two of our project achievements received acclaim: the Musconetcong Island Park project earned both the New Jersey Future Smart Growth Award and the American Planning Association of New Jersey’s 2024 Great Places in New Jersey - Great Public Space Award for transforming an abandoned site into a riparian park. The City of Lambertville’s stormwater management initiatives received the NJDEP “Our Water’s Worth It” Award for advancing flood resilience and water quality. Additionally, the restoration of the historic Roebling Wireworks, home to our Trenton headquarters, earned the New Jersey Historic Preservation Project Award, and our President, Geoffrey Goll, PE, was honored with the “Catalyst for Sustainable Change” Award from Hold High the Torch for advancing STEAM education and environmental stewardship. And just this month, Dr. Fred Lubnow was honored with the NJ-AWRA Peter Homack Award for his outstanding contributions to the multi-disciplinary understanding and management of New Jersey’s water resources. These awards reflect the passion, innovation, and commitment to excellence that define Princeton Hydro.


4. Enhanced Accessibility & Transformed Trails at a Vital Nature Preserve

[embed]https://youtu.be/wSJeYM8ajPE[/embed]

We partnered with The Nature Conservancy to enhance accessibility and visitor experience at the South Cape May Meadows Preserve, a 200-acre haven of biodiversity that welcomes 90,000 visitors annually. The centerpiece of this collaboration is a new 2,675-foot elevated boardwalk and 480-square-foot viewing platform, designed to open access to previously unreachable areas and go beyond ADA standards to ensure visitors of all abilities can explore the preserve’s diverse landscape. Situated largely within freshwater wetlands, the project required innovative solutions to minimize impact on sensitive habitats. This effort highlights the importance of creating inclusive spaces that both protect and celebrate our natural world.


5. Secured $1 Million in Grants for our Clients

One of Princeton Hydro’s core offerings is grant writing for our nonprofit and government clients. This year alone, we landed nearly $1 million in grants for our clients for harmful algal bloom monitoring, habitat enhancement, water quality improvements, and planting native plants via the National Fish and Wildlife Foundation's Delaware Watershed Conservation Fund and the Xerces Mid-Atlantic Pollinator Habitat Kit Planting Program.


6. Celebrated Numerous Staff Achievements:

 

This year, our talented team reached numerous applaud-worthy milestones, showcasing their dedication to advancing environmental science and sustainability. Amy McNamara became a Certified Professional in Erosion and Sediment Control (CPESC), highlighting her expertise in sustainable site design and regulatory compliance. Marissa Ciocco earned a Professional Engineer (PE) license in Connecticut, building on her existing licensure in Delaware. Chris Mikolajczyk CLM was appointed President-Elect of the Colorado Lake and Reservoir Management Association Board. Jesse Smith organized and implemented Flemington’s first-ever BioBlitz, a community-focused event that fostered a deeper connection to local biodiversity. Erin Bennett became a Notary Public in New Jersey and earned her Green Infrastructure Champions certification. Thomas Hopper achieved the Geographic Information Systems Professional (GISP®) certification, further elevating his contributions to geospatial analysis and restoration efforts. And, Matt Kreines earned his FAA Commercial Drone Pilot license.


7. Completed First Project in Colorado:

We completed our first project in Colorado—a bathymetric assessment of the Fairplay Beach Reservoir, focused on mapping the reservoir’s underwater landscape to support ongoing conservation efforts. We are excited to bring our expertise in water resource management to new regions like Colorado and look forward to future opportunities to contribute to the preservation and enhancement of Colorado’s unique high-altitude aquatic environments. Stay tuned for more updates as we continue to explore new waters and chart new territories.


8. Used Innovative & Integrated Strategies to Safeguard Water Quality:

We made significant strides in advancing lake and watershed health through innovative initiatives. At Virginia’s Smith Mountain Lake, decades of historical data and cutting-edge research were leveraged to identify the drivers of harmful algal blooms and shape sustainable solutions. In New Jersey, a collaboration with the Mercer County Park Commission resulted in comprehensive lake and watershed management plans to address algal blooms and bolster ecological resilience across the park’s aquatic ecosystems. These projects highlight our unwavering commitment to protecting vital freshwater resources and fostering healthier ecosystems for future generations.


9. Welcomed 5 New Team Members & 4 Interns:

This year we welcomed Senior Wildlife Biologist Michael McGraw, CSE, QAWB, ACE, who joined our Regulatory Compliance & Wildlife Surveys team, bringing over 20 years of expertise in ecological assessments and wildlife surveys. Alexandra Garnett became a vital part of our Trenton office as an Administrative Assistant. Civil Engineer Ryan Krueger, PE, joined our Engineering Services team this month, and Eric Libis returned to our team as an Aquatics Specialist over the summer/fall. Kaitlyn Jones, who began as an intern, has now joined our Aquatics team permanently as a Staff Scientist! This summer, we also hosted four interns: Francisco Batz (Landscape Architecture), Jade Gallagher (Communications), Daniel Goll (Engineering), and Rachel Trokenheim (Aquatics).


10. Participated in 50+ Conferences, Workshops, Community Gatherings and Sponsored 30+ Events:

We connected with industry professionals, communities, and stakeholders through a wide array of events, fostering collaboration, sustainability, and stewardship. In partnership with The Watershed Institute, we delivered impactful workshops, including the inaugural “Watershed Restoration Academy: Healthy Streams 101;” webinar sessions on daylighting streams and the conservation of American shad; and two education sessions at the 7th Annual Watershed Institute Conference. President Geoffrey Goll, PE traveled globally to participate in important river restoration and dam removal conversations, including the “Free Flow 2024 Conference” in The Netherlands, a river connectivity workshop in South Africa, and collaborations with Associação Natureza Portugal, a Portuguese non-profit NGO that works in association with World Wide Fund for Nature in Portugal. We also sponsored and presented at nationally prominent events, including the “NALMS International Symposium” in Lake Tahoe, CA; the “NYSFOLA Conference” in Lake George, NY; the “Harmful Algal Bloom Summit” in Portland, ME; and the “Delaware River Watershed Forum” in Bethlehem, PA, covering topics such as climate change impacts on lake ecology and green infrastructure stormwater management. Locally, we celebrated community and stewardship through events like the “Trenton River Days Fair,” Mercer County’s “Juneteenth Celebration,” and the New Jersey Highlands Council’s 20th anniversary, which highlighted collaborative Lake Hopatcong project successes. We also led two Facebook Live events: “Understanding and Managing Invasive Species in Your Backyard” and “Debunking Myths About Bats, Spiders & Snakes.” Through these efforts we deepened relationships with partners, advanced critical conversations, and inspired meaningful, sustainable change. These are just a few highlights from a truly impactful year!


As we reflect on this year’s achievements, we are deeply grateful for the trust, collaboration, and support of our clients, partners, and community. Your belief in our mission fuels our ability to innovate, restore, and protect. Here’s to building on this momentum in 2025 and continuing to make a positive impact together.

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Today, we are delighted to celebrate the professional accomplishments of two team members, whose recent certifications exemplify their commitment to excellence and continuous learning. Their achievements reflect our organization's dedication to advancing expertise and maintaining high standards in our industry. By investing in their professional development, our team enhances our ability to deliver innovative solutions and uphold our mission of improving our ecosystems, quality of life, and communities for the better.


Amy McNamara, EIT became a Certified Professional in Erosion and Sediment Control (CPESC).

The CPESC certification signifies expertise in erosion and sediment control, equipping professionals to develop effective site-specific plans and designs to mitigate environmental impact. It is the only professional certification recognized by the U.S. EPA that designates its holders as qualified to prepare stormwater pollution prevention plans (SWPPPs). To earn this certification, Amy met rigorous educational and practical experience standards, passed a comprehensive exam, and committed to ongoing professional development. This achievement emphasizes her proficiency in key areas such as regulatory compliance, permitting processes, erosion and sediment site planning, soil loss prediction, and runoff management. The CPESC certification demonstrates her ability to apply this extensive knowledge to ensure our projects are environmentally compliant and sustainable.

Amy has been with Princeton Hydro since 2008, providing civil engineering services for projects such as lake dredging, streambank and shoreline stabilization, dam removal, ecological restoration, and stormwater management. She specializes in project finalization, including bid specifications, construction cost estimating, construction oversight, and management. Her extensive construction experience ensures practical site designs, effective field adjustments, and accurate bidding to minimize implementation changes. Additionally, Amy supports engineering regulatory compliance for soil erosion, sediment control, dam safety, and flood elevation determinations, offering a holistic view from project concept to implementation.


Marissa Ciocco earned a Professional Engineer (PE) license in Connecticut.

The PE license is the engineering profession’s highest standard of competence, a significant symbol of achievement and assurance of quality. To become licensed, engineers must complete a four-year college degree, work under a Professional Engineer for at least four years, pass two intensive competency exams, and earn a license from their state's licensure board. Then, to retain their licenses, PEs must continually maintain and improve their skills throughout their careers.

Marissa, our Geotechnical Soils Testing Lab expert, also has her PE license in Delaware. She was recently featured in our "A Day in the Life" blog series, which showcased her work in our geotechnical laboratory.

A graduate of Rowan University holding a B.S. in Civil Engineering with a Bantivoglio Honors Concentration, she worked in the Construction Materials Laboratory as part of the CREATE’s Fellowship program, and participated in clinic projects such as a green roof feasibility study, testing the effects of water quality on masonry mortar, and the sustainability of converting organic waste feedstock into liquid biocrude. Marissa is passionate about working towards creating a more sustainable environment.


Congratulations to Amy and Marissa! To learn more about the Princeton Hydro team, click here.

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Preservation New Jersey (PNJ) honored Princeton Hydro, Clarke Caton Hintz, and Hx2 Development with the New Jersey Historic Preservation Project Award for the outstanding work to restore Roebling Wireworks and create Princeton Hydro's new Trenton headquarters.

The project, designed by Clarke Caton Hintz and constructed by Hx2 Development, successfully converted the historic Roebling Carpentry Shop (Building 110) located in Trenton’s Wirerope District into a cutting-edge office space while preserving key elements of the original building's character.

Each year, PNJ reviews entities that have significantly contributed to historic preservation or made sustained efforts to promote New Jersey's rich history. Award nominees were evaluated by a panel of in-state and out-of-state preservation experts, considering criteria such as public impact, quality and creativity of the effort, increased public awareness, expanded partnerships, and the submission's overall quality.

The 2023 Preservation Awards were presented during a sold-out event of 125 guests hosted by Preservation New Jersey at Masker’s Barn in Berkeley Heights. 14 awardees were honored for excellence in preservation.

[gallery columns="4" link="none" ids="14425,14423,14427,14424"] Proceeds from the awards event were dedicated to the 10 Most Endangered Historic Places in New Jersey program and education initiatives managed by Preservation New Jersey’s Programs & Events Committee. Click here for a complete list of award winners and more photos from the event. 

The revitalization of the historic Roebling Carpentry Shop (Building 110) and the creation of Princeton Hydro’s headquarters office was recognized as a significant economic development milestone for the City of Trenton. The top floor of the building, comprising approximately 9,000 square feet, seamlessly blends historic elements like heavy timber trusses, factory windows, and exposed brickwork with state-of-the-art building systems, striking finishes, and modern amenities.

  [caption id="attachment_7920" align="aligncenter" width="565"] 1908 image of Block 3 of the John A. Roebling's Sons Company, including the Carpentry Shop; the Delaware & Raritan Canal, now Route 129, is in the foreground.[/caption]   [gallery link="none" size="medium" ids="7919,7917,7918"]  

The project received tremendous support from the City of Trenton and Greater Trenton, the local organization dedicated to advancing revitalization efforts in the City. The redevelopment of Building 110 is part of the larger revitalization of Roebling Center, which includes five historic industrial buildings on Block 3 of the John A. Roebling’s Sons Company. Phase 1, completed in 2018, included the opening of Roebling Lofts, a unique 138-unit loft apartment building located in Building 101 of the Roebling Complex.

In May 2022, Princeton Hydro and the City of Trenton hosted a ribbon cutting ceremony to celebrate the opening of the new headquarters office. The move brought more than 30 jobs to Trenton, revitalizing a building vacant for over 25 years and transforming it from an industrial space to a transit-oriented, modern office.

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Click here to read more about the building's renovation process and view additional "before and after" photos.


About Preservation New Jersey: Established in 1978, PNJ is a statewide member-supported non-profit historic preservation organization. PNJ promotes the economic vitality, sustainability, and heritage of New Jersey’s diverse communities through advocacy and education. Learn more.

About Clarke Caton Hintz: Clarke Caton Hintz is an award-winning firm comprising architects, planners, landscape architects, and interior designers committed to solving today's planning and design challenges through a multi-disciplinary approach. Learn more.

About Princeton Hydro: Princeton Hydro is a water resources engineering and natural resources management small business committed to positively impacting ecosystems, quality of life, and communities. Formed in 1998, the firm provides integrated ecological and engineering consulting services, specializing in natural resource management, water resources engineering, geotechnical design & investigation, and regulatory compliance throughout the Northeast. Learn more.

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As the year draws to a close, it's the perfect time to reflect on the milestones and successes that have shaped the past twelve months. We're excited to take this opportunity to express our gratitude to our incredible clients, partners, and friends. Your support and collaboration have been the driving force behind our achievements. Join us as we revisit and celebrate our top 10 successes of 2023:

1. CELEBRATED 25 YEARS OF SUCCESS.

As we joyfully celebrate our 25th anniversary year at Princeton Hydro, we are filled with gratitude for the incredible journey. Over the past quarter-century, our firm has been dedicated to improving our ecosystems, quality of life, and communities for the better, and it's an honor to reflect on the milestones we've achieved together. Since our inception in 1998, working with 2,000 clients, we have removed 84 dams, restored dozens of miles of rivers, improved water quality in hundreds of ponds and lakes, and enhanced thousands of acres of wetlands in the Northeast. Thank you for being an integral part of our journey!


2. DESIGNED AND OVERSAW THE REMOVAL OF 5 DAMS.

Over the past year, we completed five dam removal projects. We worked with Wildlands Conservancy to remove two dams from Bushkill Creek, a tributary to the Delaware River, opening up several miles of river to migratory fish and critical species. We partnered with the Musconetcong Watershed Association to remove Beatty's Mill Dam, a critical step in restoring the Musconetcong River and addressing long-standing concerns regarding flood mitigation and the preservation of essential habitats. On Pohatcong Creek, we decommissioned a defunct dam for the Pinelands Regional Board of Education. And, working with The Nature Conservancy, we kicked off the removal of the 128-year-old hazardous Paulina Dam, reconnecting over 7.6 miles of mainstream and tributary habitat along the Paulins Kill. Highlighting our dedication and expertise in this field, our firm's president and founding principal, Geoffrey M. Goll, P.E., was recently featured on a Top 20 podcast. His discussion provides insights into the complexities and significance of dam removal.


3. EARNED 6 PRESTIGIOUS AWARDS.

This year, we are proud to share that our firm earned the Society for American Military Engineers NJ Post’s 2023 Small Business Award! Our newly restored Trenton office earned two top tier awards: 2023 New Good Neighbor Award and NJ Historic Preservation Award. Two of our projects were spotlighted too: Lake Hopatcong Foundation’s Floating Classroom received the very honorable New Jersey Governor’s Environmental Excellence Award and the Readington Digital ERI won an ANJEC 2023 Environmental Achievement Award. And, a big shout out to Duncan Simpson who earned the SAME Mid-Maryland Post President’s Commendation Award.


4. BROKE GROUND ON LIBERTY STATE PARK ECOSYSTEM RESTORATION PROJECT.

Liberty State Park, located on the west bank of Upper New York Bay, is one of the most visited state parks in the nation. Within 235 acres of this highly urbanized setting, Princeton Hydro was contracted to design a resilient coastal ecosystem that provides both ecological and social benefits. In a momentous event, the Commissioner of NJDEP, Commander of USACE New York District, and local elected officials broke ground for the Liberty State Park Ecosystem Restoration Project. When constructed, it will have 80 acres of tidal and non-tidal wetlands and several hundred feet of intertidal shoreline and shallow water habitat, making it the largest ecosystem restoration project in New Jersey.


5. CELEBRATED NUMEROUS STAFF ACHIEVEMENTS.

Our team members continue to amaze us with their drive to expand knowledge and grow personally. This past year, several staff earned new licenses and certifications: Marissa Ciocco earned her Professional Engineer license in Delaware. Eric Zawatski achieved The Wildlife Society’s “Associate Wildlife Biologist” certification. Michael Allers became a licensed FAA-Certified Commercial Drone Pilot. Mark Gallagher was appointed to two boards: the Outdoor Equity Alliance Advisory Committee and Friends of Abbots Marshland Advisory Board. Dana Patterson was voted in as First Vice President of NJ SAME Post and Duncan Simpson, PWS was voted in as Second Vice President of the Mid-Maryland SAME Post.


6. SECURED $2.43 MILLION IN GRANTS FOR OUR CLIENTS.

One of Princeton Hydro’s core offerings is grant writing for our nonprofit and government clients. This year alone, we assisted in securing $2.43 million in grant funding from a variety of programs, including the NJDEP Stormwater Assistance Grants, National Fish and Wildlife Foundation, NJDEP Natural Climate Solutions Grant, Restore America’s Estuaries National Estuaries Program Watersheds Grant Program, and New Jersey Highlands Council Planning Grant Program. The pivotal projects include building green infrastructure, developing watershed management programs, controlling invasive species, and planting hundreds of trees.


7. PARTICIPATED IN 50+ CONFERENCES, WORKSHOPS, OR LECTURES AND SPONSORED 35+ EVENTS.

We traveled around the Northeast and beyond to share our project stories and lessons learned. For the Watershed Institute’s 6th Annual Conference, we led two presentations focused on stormwater management, improving water quality, and reducing flooding. Our Senior Technical Director of Engineering Dr. Clay Emerson, PE, CFM, led two webinars for the Watershed Institute this year. The first one, "Enhanced Stormwater Management Ordinances," provided guidance on NJDEP’s new stormwater ordinances and recommendations for developing and implementing stronger ordinances. The second webinar, “Stormwater Design: Myths and Misconceptions,” provided guidance on incorporating best practices and submitting design proposals that address New Jersey’s stormwater management goals. For the Resource Institute's 2023 National Stream Restoration Conference, Jake Dittes, PE and Duncan Simpson, PWS presented on Hudson Valley Dam removal and showcased the importance of projects like the Maiden Lane Dam removal in preserving our natural treasures. We led five presentations during this year's North American Lake Management Society International Symposium. The topics included harmful algal bloom mitigation, stormwater management for lake communities, and monitoring. We are honored to have sponsored over $26,000 to nonprofit events and fundraisers, and the Marketing Team is proud to have exhibited at 15 conferences, festivals, and local events.


8. WELCOMED 9 NEW TEAM MEMBERS.

This year, we welcomed Controller Barry Shallenberger to our Business Administration team. Four engineers joined: Sean Walsh, PE as a Senior Project Manager; Rebecca Adamo, PE and Lexie Seifert as Water Resource Engineers; and Ryan Eno, EIT as a Staff Engineer. We grew our Landscape Architecture team with the addition of Angelica Diaz, and bolstered our Ecological Engineering group with Restoration Ecologist Michael Allers. We also welcomed two interns this summer, Mikhail Velez (Communications) and Jackson Tilves (Aquatics), who have now joined our staff permanently. And, last but certainly not least, we promoted six of our four-legged team members to Chief Happiness Officers!


9. RELEASED 3 NEW RESOURCES FOR THE PUBLIC.

Working with New Jersey Future, we published the NJ Stormwater Retrofit Best Management Practices Guide, a comprehensive resource and pivotal tool that aids local and county governments, nonprofits, developers, and property owners in retrofitting stormwater infrastructure and integrating sustainable green infrastructure solutions. We partnered with New York - New Jersey Harbor & Estuary Program and the Hudson River Foundation to create a toolkit for addressing problematic road-stream crossings. The easy-to-use matrix helps to prioritize potential projects and identify solutions. In partnership with Readington Township in New Jersey,  we developed New Jersey’s first interactive Environmental Resource Inventory (ERI) in digital format, paving the way for a more modernized, easily accessible, and highly functional resource. Readington Township was chosen as the recipient of the ANJEC “2023 Environmental Achievement Award" in the Environmental Commission category for creating the ERI. We've conducted two insightful 'Facebook Live Chat' Q&A sessions featuring four of our experts, which we recorded as informative resources available for ongoing access. The first session shared valuable spring gardening tips from our Landscape Architects. The second event, 'Birding in Your Backyard,' was hosted by two of our scientists who are passionate about birding.


10. GIVING BACK TO THE CITY OF TRENTON.

Since opening our Trenton Headquarters office, we have donated the use of our space for a variety of nonprofit organization events. In 2023, we hosted Revolutionary Trenton’s Launch Event, Boys and Girls club of Mercer County, Capital Philharmonic of New Jersey, Outdoor Equity Alliance Board Meeting, and African American Cultural Collaborative of Mercer County’s African American History Bowl Scholarship Presentation. We held donation drives here too to support local nonprofit organizations working in Trenton. During our Spring 2023 Staff Donation Drive, we collected 208 pounds of shelf-stable food items for Arm In Arm, a Trenton-based nonprofit organization that addresses food and housing insecurity in the city and surrounding areas. For our Holiday Employee Virtual Giving Event, 19 staff donated 72 items valued over $1560 to Children’s Home Society of New Jersey. Inspiring local youth to pursue a pathway in the STEM fields is also a priority for our firm. This year, we volunteered our time to support community programs like NJDEP’s Youth Inclusion Initiative and Hold High the Torch’s Eco Innovators for Youth STEAM (science, technology, engineering, the arts, and mathematics) Leaders Program.


Gratitude fills us, knowing these milestones were made possible by your support. Cheers to YOU and the promise of many more successes ahead! [post_title] => A Year in Review: Top 10 Successes of 2023 [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => top-10-successes-of-2023 [to_ping] => [pinged] => [post_modified] => 2025-11-07 15:11:25 [post_modified_gmt] => 2025-11-07 15:11:25 [post_content_filtered] => [post_parent] => 0 [guid] => https://princetonhydro.com/?p=14108 [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 2 [filter] => raw ) [7] => WP_Post Object ( [ID] => 13949 [post_author] => 1 [post_date] => 2023-11-24 12:00:54 [post_date_gmt] => 2023-11-24 12:00:54 [post_content] =>

The Princeton Hydro Headquarters simmered with excitement and spicy aromas wafted through the halls, heralding the arrival of the Great Chili Cook-off of 2023. Seven daring individuals put their secret chili recipes to the test in a flavorful showdown.

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Team members gathered to partake in the spicy celebration. And, to make things official, we invited three esteemed foodies who own resturants in Trenton, NJ to judge the competition. Caesar Rosales of Caesar's Italian Restaurant, Deonna Maldonado of Skil-Lit Cafe, and Reggie Hall of 1911 Smokehouse BBQ lent their discerning palates to the task of crowning the ultimate chili champion. (Psst, if you haven't been to these local spots, go grab lunch asap!)

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Amidst the taste-testing, banter, and a pinch of friendly competition, the moment arrived for the winners to claim their titles. Drumrolls echoed the announcement as Tara Srinivasan was crowned 1st Place and Christiana Pollack, CERP, CFM, GISP claimed 2nd Place. Their victory came with the esteemed titles of "Chili Champ," along with a custom-made 2023 Chili Cook-off wooden cutting board and, of course, the bragging rights.

Each of the seven cook-off participants and the three judges received a custom-engraved spoon to commemorate their culinary bravery and celebrate their contributions to the spicy showdown.

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The event wasn't merely about chili; it was a testament to the spirit of community that thrives at Princeton Hydro. Let's raise our ladles to the thrill of competition and the warmth of a shared meal that brings us all together!

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Princeton Hydro Vice President Mark Gallagher was appointed to the Outdoor Equity Alliance (OEA) Advisory Committee.

The Advisory Committee is composed of representatives of organizations that partner with the OEA in its mission. Committee members meet periodically to advise on program design and execution, fundraising, and engagement in any and all activities sponsored by OEA.

[caption id="attachment_14249" align="aligncenter" width="754"] Folks from the Outdoor Equity Alliance Advisory Committee sitting together for a group photo.[/caption]

Founded by Friends of Hopewell Valley Open Space former Executive Director Lisa Wolff and Mercer County Park Commission Executive Director Aaron Watson, OEA works to remove barriers to participation in our shared natural world. Through programs, internships and key partnerships, OEA creates experiences that inform and inspire people of all ages, ethnicities, abilities, and income levels to enjoy and become more involved with nature and the outdoors.

Mark, a founding partner of Princeton Hydro, is a pioneer in the field of restoration ecology, and helped get the conservation science movement off the ground in the 1980s. He holds a Bachelor of Science in Biology from Moravian College and Master of Science in Plant Ecology from Rutgers University. For more than two decades, Mark has overseen wetland and terrestrial ecology projects at Princeton Hydro, including many complex restoration projects that require unique solutions.

He is extremely knowledgeable about local, state, and federal regulations, especially when it comes to ecological impact, and has made a positive impact on water quality and wildlife, designing and permitting hundreds of acres of restoration, mitigation, and enhancement projects throughout the Northeast. In addition to writing numerous environmental impact assessments for a wide range of projects, Mark has also completed the survey and assessment of habitats at numerous development sites for threatened and endangered species.

He serves on the technical advisory board for the Hunterdon Land Trust and previously served on the board at Bowman’s Hill Wildflower Preserve. He regularly teaches adult education courses and is an adjunct professor at Temple University in the Landscape Architecture Department. For the past two years, Mark has led a mentorship for the New Jersey Department of Environmental Protection (NJDEP) Youth Inclusion Initiative, which aims to enrich young participants, who may not have the opportunity to explore open spaces in their community, with hands-on environmental field experience under the tutelage of NJDEP professionals and mentors.

Mark Gallagher of Princeton pointing towards the wetland restoration site at Roebling Park explaining wetland restoration to group of youth

Click here for a full list of OEA leadership, staff and committees. To learn more about the OEA, click here.

Princeton Hydro is committed to improving our ecosystems, quality of life, and communities for the better. The firm was formed in 1998 with the specific mission of providing integrated ecological and engineering consulting services. Offering expertise in natural resource management, water resources engineering, geotechnical design & investigation, and regulatory compliance, our staff provides a full suite of environmental services throughout the Northeast for the public and private sectors. To read about some recent projects, click here.

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Princeton Hydro is dedicated to protecting our natural resources and changing our ecosystems, quality of life and communities for the better. Our team members are passionate about continuing to learn new technologies, staying ahead of regulatory changes, and expanding their knowledge.

Today, we are proud to put the spotlight on four team members who recently celebrated professional achievements.


Marissa Ciocco earned a Professional Engineer (PE) license in Delaware.

The PE license is the engineering profession’s highest standard of competence, a significant symbol of achievement and assurance of quality. To become licensed, engineers must complete a four-year college degree, work under a Professional Engineer for at least four years, pass two intensive competency exams, and earn a license from their state's licensure board. Then, to retain their licenses, PEs must continually maintain and improve their skills throughout their careers.

Marissa, our Geotechnical Soils Testing Lab expert, is a graduate of Rowan University holding a B.S. in Civil Engineering with a Bantivoglio Honors Concentration. She worked in the Construction Materials Laboratory as part of the CREATE’s Fellowship program at Rowan University, and participated in clinic projects such as a green roof feasibility study, testing the effects of water quality on masonry mortar, and the sustainability of converting organic waste feedstock into liquid biocrude. Marissa is passionate about working towards creating a more sustainable environment.

Marissa was recently featured in our "A Day in the Life" blog series. Click here to learn more about her work in our geotechnical laboratory.

Eric Zawatski achieved The Wildlife Society's "Associate Wildlife Biologist" certification. 

The Wildlife Society (TWS), a nonprofit professional society, is dedicated to excellence in wildlife stewardship through science and education and is committed to the premise that these objectives can be achieved best with the guidance of well-educated, experienced, and dedicated wildlife biologists. TWS promotes and strengthens professional standards in all activities devoted to wildlife resources. To this end, TWS provides a professional certification program designed to evaluate the education and professional experience of wildlife biologists.

To achieve the Associate Wildlife Biologist certification, Eric was required to meet demanding academic criteria assessed by the TWS Certification Review Board, affirming his full capability to uphold the standards of ethical professionalism in the field. The certification is granted for 10 years.

Eric holds an M.S. in Ecology and B.S. in Wildlife and Fisheries Science both from Penn State University. During his undergraduate and graduate years, he studied state endangered breeding bird species, forest and landscape ecology, and the terrestrial ecosystems of the Northeast. His research incorporated avian survey techniques, forestry measurements, and GIS technology to determine the primary factors driving nest survival and breeding productivity of forest songbirds.

On Thursday, October 26, Eric, along with Emily Bjorhus, is leading a free Live Facebook Q&A about Backyard Birding. Learn more and RSVP here.

Michael Allers became a licensed FAA-Certified Commercial Drone Pilot. 

Michael AllersA commercial drone pilot license, issued by the FAA, grants permission to conduct commercial drone operations in the United States. To become a licensed commercial drone operator, Michael was required to pass the Aeronautical Knowledge Test and apply for and obtain a Remote Pilot Certificate. To maintain his license, Michael must update his drone registration every 36 months as well as retake and pass the Aeronautical Knowledge Test every 24 months.

Drones are a helpful tool for environmental restoration initiatives because they can efficiently monitor project progress by collecting aerial data, including GIS information, that tracks information like vegetation growth, erosion rates, and site topography. Because drones can access remote and challenging terrain with minimal environmental impact they are a valuable tool for planning, managing, monitoring and assessing habitat restoration efforts.

Michael joined the Princeton Hydro team in April 2023 as a CAD Designer and Restoration Ecologist. He previously worked with a water resource consulting firm participating in nearly all phases of river, wetland, and coastal restoration projects. Prior to entering the restoration sphere, Michael was the owner/operator of a residential stormwater management company for 10 years. Michael received a B.S. in Marine & Coastal Science from Rutgers University.


Jackson Tilves joined the Aquatics Team as a full-time staff member.

Jackson, a recent graduate of Stockton University, began with Princeton Hydro in July 2023 as an intern. He holds a B.S. in Environmental Science with concentrations in Wildlife Management and Forestry. He studied water quality parameters as well as fisheries and forest management techniques in the unique ecosystems found in the New Jersey Pinelands. Before joining Princeton Hydro, he worked with a river restoration company that focused on dam removals, stream morphology, and in-stream habitat creation for native species.

During his internship, he supported the Aquatics Team in a variety of capacities. We are thrilled to welcome him as a full-time staff member and look forward to his successful and bright future with our firm helping to preserve ecosystems for future generations.


If you’re interested in learning more the Princeton Hydro team, click here. [post_title] => Employee Spotlight: Celebrating the Professional Achievements of Four Team Members [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => employee-spotlight-celebrating-the-professional-achievements-of-four-team-members [to_ping] => [pinged] => [post_modified] => 2025-12-09 18:27:27 [post_modified_gmt] => 2025-12-09 18:27:27 [post_content_filtered] => [post_parent] => 0 [guid] => https://princetonhydro.com/?p=13778 [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 0 [filter] => raw ) ) [post_count] => 10 [current_post] => -1 [before_loop] => 1 [in_the_loop] => [post] => WP_Post Object ( [ID] => 19417 [post_author] => 1 [post_date] => 2026-03-23 15:30:32 [post_date_gmt] => 2026-03-23 15:30:32 [post_content] => Our team continues to grow with talented professionals who are passionate about our mission and the work we do. Today, we’re pleased to introduce our newest team members, who bring valuable experience and fresh perspectives to our organization. Please join us in welcoming them!

Charlie Aquilina, PE, CFM - Water Resources Engineer

Charlie is a licensed Professional Engineer and a Certified Floodplain Manager with over five years of experience in water resources engineering. His expertise includes hydrologic and hydraulic modeling, green stormwater infrastructure, civil site design, ecological restoration, and flood resilience. Charlie holds a M.S. in Biological Systems Engineering and B.S. Environmental Science/B.A. Geography from Virginia Tech.

Prior to joining Princeton Hydro, Charlie worked as a Water Resources Engineer for Meliora Design, where he designed green stormwater infrastructure projects such as rain gardens and underground infiltration beds, created master plans for state and local parks, and modeled conceptual floodplain restoration studies for the Brandywine Creek Flood Study. Before Meliora, he worked at Kleinschmidt Associates where he worked on hydrologic and hydraulic projects such as dam breaches, dam removals, nature-like fishways, and FEMA LOMRs.

Outside of work, he likes to play ultimate frisbee and lead his local Environmental Advisory Council where he plans park invasive removals and tree giveaways.


Mike Chenosky - Business Administrator & Compliance Manager

Mike serves as the Business Administration and Compliance Manager at Princeton Hydro. He brings a unique perspective to the team, built over a 20-year career in the U.S. Air Force as a KC-10 Extender Boom Operator. During his time in the service, Mike did more than just fly; he managed global logistics missions and was responsible for the essential training, certification, and compliance of aircrew members.

After retiring from the military, Mike spent four years as a Senior Manager at Verizon, where he focused on business transformation and strategy. Today, he uses that background to lead our efforts in regulatory compliance, policy development, and keeping our administrative processes running smoothly.

Mike holds an MBA from Temple University and a B.S. in Business from Penn State. When he’s not in the office, you’ll likely find him cooking, traveling with his family, or tending to his woodworking projects, garden, and chickens.


Tyler Thomas - Staff Scientist, Aquatics

Tyler graduated from the University of Rhode Island in 2024 with a B.S. in Environmental Science and Management. At URI, he began as a research assistant studying the rapid spread of aquatic invasive species throughout Rhode Island’s wetlands. Tyler later transitioned to marine systems, assisting a project at URI’s Graduate School of Oceanography investigating phytoplankton dynamics in the Gulf of Mexico. While studying abroad at the Universidad Católica de Valencia in Spain, Tyler researched the Mediterranean fan mussel and became Scuba certified.

Following his graduation, Tyler stayed with the Graduate School of Oceanography to complete a project aboard the RV/IB Nathaniel B. Palmer. Here, he researched phytoplankton blooms along Antarctica’s coast and across the Southern Ocean while also achieving his dream of setting foot on all seven continents.

During his free time, Tyler enjoys surfing, reading, playing music, and exploring Philadelphia, where he now lives.

 

Our newest team members are already making valuable contributions, and we’re excited to see their impact continue to grow. We’re so glad to have them as part of the team!

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