Our Staff
Carla Castillo, Executive Director. Ms. Castillo joined HVRC in August 2016. As Executive Director, Ms. Castillo implements the US Department of Commerce Economic Development Administration Partnership Planning Assistance Program and CARES Economic Resilience Project. She also oversees staff implementation of NYS Department of Environmental Conservation’s 604(b) Water Quality Planning Program and Climate Leadership Support Services Program as well as the NYSERDA CEC Program. Ms. Castillo and her team have been instrumental in bringing over $4 million to date in match-free CEC Program grants to participating member counties and local governments. Previously in Philadelphia, Ms. Castillo led the transformative sustainability and neighborhood revitalization efforts of NKCDC. With Recyclebank, Ms. Castillo inspired city-wide residents to recycle more through Philadelphia Recycling Rewards. At the Philadelphia Redevelopment Authority and the Reinvestment Fund, she stabilized distressed neighborhoods through the development of 550+ homes as an affordable housing lender and technical assistance provider to community development corporations. Also at the Reinvestment Fund, Ms. Castillo worked with internationally-based microfinance CEOs to advance the micro-finance industry.
Ms. Castillo received a master’s degree in City & Regional Planning and a Master of Science in International Development & Appropriate Technology from the University of Pennsylvania. She received a bachelor’s degree in Latin American Studies from UCLA. Ms. Castillo serves on the boards of the Hudson River Valley Greenway Communities Council, the Hudson River Estuary Management Advisory Committee, and is an appointed member of the Orange County Climate Smart Communities Task Force. Ms. Castillo volunteers in the Town of Cornwall, chairing the Cornwall Conservation Advisory Council. She has worked with select Cornwall Central School District schools to implement school-based recycling programs and completed her tenure as an appointed member to the Town’s Comprehensive Plan Committee.
PHONE: 845-564-4075
EMAIL: ccastillo@hudsonvalleyrc.org
PROGRAM: US Department of Commerce Economic Development Administration
Eleanor Peck, Deputy Executive Director & Mid-Hudson Clean Energy Communities Program Manager. Ms. Peck joined HVRC in May 2021. Ms. Peck works on the NYSERDA Clean Energy Communities Program, providing support as a Clean Energy Communities Coordinator to communities working to reduce energy usage and greenhouse gas emissions through the implementation of cost-saving clean energy projects. Previously, Ms. Peck was the Climate Smart Coordinator in the City of Beacon, helping the City achieve NYS Climate Smart Communities Program Silver Certification. She has also worked for the Cary Institute of Ecosystem Studies in Millbrook, fundraising for the Institute's ecological science, as well as the Wildlife Conservation Society, fundraising for the Bronx Zoo and conservation projects around the globe.
Ms. Peck received a master's degree in International Affairs from the New School for Social Research in New York City and her bachelor's degree from Roosevelt University in Chicago. She continues to volunteer in the City of Beacon as a member of the City’s Conservation Advisory Committee.
PHONE: 845-564-4075
EMAIL: epeck@hudsonvalleyrc.org
PROGRAMS: NYSERDA: Clean Energy Communities and NYS Climate Smart Communities
Robin Sattin, Financial and Administrative Director. Mr. Sattin joined HVRC in June 2025. He plays a key role in the organization by handling a wide range of financial, administrative, and human resources tasks, ensuring smooth operations, strong financial management, and the administration of grant-funded programmatic work. Previously, Mr. Sattin served as Finance Manager at Habitat for Humanity of Greater Newburgh, contributing to their mission of providing affordable housing. His experience also includes serving in a number of finance roles for various private sector entities, demonstrating a broad understanding of financial management across different industries.
Mr. Sattin holds a bachelor’s degree in Philosophy from The City College of New York and is a Certified Nonprofit Accounting Professional (CNAP) through BDO.
PHONE: 845-600-0667
EMAIL: rsattin@hudsonvalleyrc.org
PROGRAMS: All Programs
Mary Lambert, Climate Action Planning Manager. Ms. Lambert joined HVRC in July 2022 and provides support for local communities for climate mitigation and adaptation planning. She also manages HVRC's Landfill Biofilters Project. Ms. Lambert previously served on the Hastings-on-Hudson Board of Trustees, as the Co-Chair of the Hastings Climate Smart Communities (CSC) Task, and as a member of the Hastings Conservation Commission. She also served as the Executive Director of the Weeden Foundation, specializing in biodiversity preservation, and as a project coordinator for Conservation International. In addition, Ms. Lambert worked for over 20 years in technology and media, holding senior management roles at Google, Opera Software, and at Volta Charging. She was the Founder of an award-winning green e-marketplace, and most recently, ran her own marketing consulting business, Closed Loop Consultants, working to drive marketing and sales for cloud-based energy management solutions organizations.
Ms. Lambert received a master’s degree in Business Administration from Columbia University and her bachelor’s degree in American Studies from Yale University.
PHONE: 845-564-4075
EMAIL: mlambert@hudsonvalleyrc.org
PROGRAMS: Climate Action Planning Institute, Landfill Biofilters Program
Ryan Corbett, Water Resources Manager. Mr. Corbett joined HRVC in July 2024 to develop HVRC’s Wastewater Systems Training & Technical Assistance (TA) Program for Small & Rural Municipalities in the Mid-Hudson Region. Prior to a professional hiatus in the craft brewing industry, Mr. Corbett worked with Tectonic Engineering’s Geotechnical department conducting stormwater assessment and vibration monitoring throughout New York. While at San Francisco State University, his strong passion for managed aquifer recharge led to investigating the role of fog drip as a hydrologic input, as well as being a member of the Hydrology and Water Resources Group studying the sustainability and vulnerability of low impact development.
Mr. Corbett received a master’s degree in Hydrogeology from the San Francisco State University. He received his bachelor’s degree in Geology from the University of Massachusetts, Amherst.
PHONE: 845-564-4075
EMAIL: rcorbett@hudsonvalleyrc.org
PROGRAM: Wastewater Systems Training & Technical Assistance (TA) Program
Lauren Bunce, Water Resources Coordinator. Ms. Bunce joined HVRC in March 2023. She works as HVRC’s Water Resources Coordinator. She previously held the role of Environmental Scientist at GZA GeoEnvironmental in southern Connecticut, where her responsibilities included conducting environmental site investigations and groundwater sampling at sites across the state. Lauren’s interest in hydrogeology began during an internship she held at the New York City Department of Environmental Protection. There, she wrote a report summarizing groundwater resources in the Hudson Valley counties through which NYC aqueducts run, with the purpose of identifying potential areas for water resource development. Following the internship, she traveled to Madagascar for a month-long program where she researched water quality degradation in nearby rivers caused by gold mining in the area.
Ms. Bunce received her master's degree in Geology from Binghamton University. There, she conducted research and published a thesis on spring inflow into Great Salt Lake and its geochemical impact on the composition of the lake. She received her bachelor's degree in Geology from Stony Brook University.
PHONE: 845-564-4075
EMAIL: lbunce@hudsonvalleyrc.org
PROGRAM: NYS DEC 604(b): Water Quality Management Planning Program
Liz Sun, Clean Energy & Climate Smart Communities Coordinator. Ms. Sun joined HVRC in March 2023. She works on the NYSERDA Clean Energy Communities Program, providing support as a Clean Energy Communities Coordinator to communities working to reduce energy usage and greenhouse gas emissions through the implementation of cost-saving clean energy projects. She previously was a Legislative Fellow for Citizens’ Climate Lobby, providing technical and research support to promote sustainable environmental policies.
Ms. Sun received her master’s degree in Public Health with a certificate in Environmental Health Policy from Columbia University and her bachelor’s degree in Biology and Public Health from The George Washington University.
PHONE: 845-564-4075
EMAIL: esun@hudsonvalleyrc.org
PROGRAM: NYSERDA: Clean Energy Communities and NYS DEC: Climate Smart Communities
Sofia diTommaso, Resilience & Adaptation Coordinator. Ms. diTommaso joined HVRC in 2025. She works as HVRC's Resilience & Adaptation Coordinator to support local governments on the Climate Smart Communities Certification program and climate vulnerability and adaptation planning projects. She previously worked at Emory University's Office of Sustainability Initiatives as a Climate Solutions Fellow to support climate action planning and engagement efforts across the university. She has also held an internship at the Natural Resources Defense Council focused on state-level multimodal transportation policy in Colorado.
Ms. diTommaso received her Master of Environmental Management from the Yale School of the Environment and bachelor's degree in Environmental Science from Emory University.
PHONE: 845-564-4075
EMAIL: sditommaso@hudsonvalleyrc.org
PROGRAM: NYS DEC: Climate Smart Communities
Sehrish Asghar, Environmental Scientist. Dr. Asghar joined HVRC in 2025. She is an Environmental Scientist working on HVRC’s landfill biofilters project. In this role, she oversees the design and deployment of biofilter systems to mitigate methane from closed landfills, advancing low-cost, natural solutions for greenhouse gas reductions. Her responsibilities span landfill gas monitoring and quality assurance across 14 landfill sites and the development of emission monitoring protocols, and collaboration with state and local agencies. Her previous work as an Environmental Scientist for Winward Environmental LLC included analyzing and interpreting environmental data for regulatory compliance and risk assessment.
Dr. Asghar earned her Ph.D. in Environmental Science from the University of Idaho where her research focused on optimizing sequencing batch reactors for nutrient removal from dairy manure. She also holds a Master of Philosophy in Microbiology from Quaid-i-Azam University, Pakistan.
PHONE: 845-564-4075
EMAIL: sasghar@hudsonvalleyrc.org
PROGRAM: EPA Climate Pollution Reduction Grant Program