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 Scientist

Declan coordinates with NepRWA’s municipal partners to implement green infrastructure projects which reduce stormwater pollution.  He also manages volunteer recruitment and programming, in addition to supporting NepRWA’s school program.

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

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


Jeff Frisch, Watershed Resilience Planner

Jeff joined the team in November of 2022 and will be working with municipalities, organizations, and communities to help implement regional adaptation and mitigation solutions that address climate change.

He has a BS in Environmental Studies with a minor in Sustainable Practices from Prescott College and an MS in Ecological from the Conway School. Jeff brings municipal planning experience from his previous position as a town planner.

Jeff can be reached at or 781-575-0354 x312


Nancy staff pic 2Nancy Fyler, Outreach & Education Director

Nancy is responsible for coordinating communications, events, and school programs.

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



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



Sean McCanty, River Restoration Director

Sean joined NepRWA in December 2021 and leads scientific programs to help improve stream and coastal area quality within the watershed. He holds a bachelor’s degrees in Environmental Science and Ecology from the University of Maryland and a PhD in Environmental Biology from the University of Massachusetts Boston

Reach Sean at or 781-575-0354 x 304



Andres Ripley, Greenways Manager

Andres heads up our efforts to improve access and extend greenways and recreational connections throughout the Watershed.

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

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



Kerry Snyder, Advocacy Director

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

She 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

Suzanna Sullivan, Stormwater Outreach Coordinator

Suzanna joined NepRWA in September 2021 to assist with stormwater outreach in addition to helping with the NepRWA school program. Previously she worked for over eight years in environmental consulting where she assisted with soil and water contamination and mitigation as well as geotechnical engineering.

She holds a B.S. in Geology from the University of Massachusetts.

Suzanna may be reached at or (781) 575-0354 x310

Rebecca Weiss, Office Manager

Rebecca joined NepRWA in 2021.  She has a BA degree in Interpersonal Communication from the University of Hartford and a BS degree in Communication Disorders from the University of Central Florida.

You can reach Rebecca at or 781-575-0354 x324






Eleanor Yeomans, Environmental Science Fellow, 2022-23

Eleanor or “Len” graduated from Mount Holyoke College with a B.A. in Environmental Studies, also completing a Minor in Development Studies.

Her main interests as an environmental scientist are conservation, as well as how community involvement and education on environmental justice issues can improve quality of life.

Len will organize river cleanups, coordinate the Community Water Monitoring Network, and support other environmental science projects. Len can be reached at or 781-575-0354 x 302