Ian Cooke, Executive Director

As Executive Director, Ian has developed the Watershed Association’s programs, expanded its capabilities and fostered development of the watershed approach in MA. Ian has served as Executive Director since 1993. Ian is a board member and former president of the Massachusetts Rivers Alliance and was formerly a Board Member of the Massachusetts Watershed Coalition. He has a BA in Environmental Conservation from the University of New Hampshire.

Reach Ian at or 781-575-0354 x 305


Declan Devine, Environmental Science Fellow, 2020-21

Declan has a BS in Civil Engineering and Environmental Geology from Tufts University.  His past work and research has focused on understanding and improving water quality and aquatic habitats.

As the Environmental Science Fellow, Declan will be coordinating the Citizen Water Monitoring Network and assisting with water sampling and other environmental science projects.

Declan may be reached at or (781) 575-0354 x306


Nancy staff pic 2Nancy Fyler, Outreach & Education Director

Nancy has been with NepRWA since 2008, first as a Water Conservation Coordinator and then as Outreach & Education Director. She has a BFA in Communication Design from Parson’s School of Design and a K-12 teaching certificate from the Massachusetts College of Art.

Reach Nancy at or 781-575-0354 x 307




Patrick Hogan, Water Resource Professional

Patrick started with NepRWA in August 2019. He holds a BS in Crop & Soil Environmental Sciences and an MS in Environmental Science and Engineering, both from Virginia Tech. Prior to joining NepRWA, Patrick spent most of his career in municipal government working in the Public Works departments of both the City of Roanoke (VA) and the City of Durham (NC).

At NepRWA, Patrick will be working on a regional basis to provide technical assistance with MS4-related issues to municipalities and businesses.

You can reach Patrick at or 781-575-0354 X304

Jennifer Hopcroft, Director of Development

Jen joined the NepRWA staff in 2021. Previously, she held fund development and operations positions in local and international human services and social justice organizations. She holds a B.A. from Wesleyan University.

Reach Jen at or 781-575-0354 x 303




Nancy Mahon staff picNancy Mahon, Office Manager

Nancy joined the staff as our Office Coordinator in January 2016.  She studied at Boston University and has a Bachelor’s in Business with a concentration in Accounting.

Nancy lives in Canton where she spends much of her time volunteering within the school system as a proud parent of four sons.

You can reach Nancy at or 781-575-0354 X324



Andres Ripley, Greenway and Natural Resource Specialist

Andres is a graduate of Wheaton College in Norton, Massachusetts, where he received his B.S. in Biology.

After serving as NepRWA’s Environmental Science Fellow, Andres was promoted to become Greenway and Natural Resource Specialist. He heads up our efforts to improve and extend greenways and recreational connections throughout the watershed, helps coordinate volunteer recruitment, provides support to expand NepRWA’s school outreach programs, and supports new citizen science initiatives.

Andres may be reached at or (781) 575-0354 x301


Jennifer Rogers, River Restoration Director

Jennifer is an environmental scientist with expertise in wetland ecology. She studies the impacts of many kinds of stressors, such as climate change or streamflow modification, on these wetlands so policies and restoration projects can best protect the local habitats and the species that rely on them.

She holds a B.S. in environmental science from the University of Massachusetts, Amherst, an M.S. in environmental health sciences from the University of California, Los Angeles, and a Doctorate in environmental science and engineering from the University of California, Los Angeles.

Jennifer joined NepRWA in 2020 and will lead the science programs that aim to improve stream health and coastal regions within the Watershed.

Jenny may be reached at or (781) 575-0354 x302


Kerry Snyder, Advocacy Director

Kerry serves as the Watershed Association’s Advocacy Director, assisting communities develop and implement watershed protection policies and advancing the Watershed Association’s policy agenda.

She has extensive experience in public policy, recently serving as Assistant Director of the Public Health and Tobacco Policy Center at Northeastern University Law School. Previously, Kerry has also worked as Associate Counsel to the New Jersey Legislature on environmental, natural resource and agricultural policy issues, and Chief of Staff to a Massachusetts state senator. Kerry earned her J.D. through Suffolk University Law School and her B.A. from Boston University.

Kerry may be reached at or (781) 575-0354 x300