Coalition Members of the Port Washington Watershed Biodiversity
Current Member Organizations
Coordinating Organization – Transition Town Port Washington (501c3) – David Jakim (Co-Director, Port Washington Watershed Biodiversity Coalition (PWWBC) and Member, Board of Directors of Transition Town Port Washington), and Margaret Galbraith (Co-Director of the PW Watershed Biodiversity Coalition, and Director of Transition Town Port Washington)
Baxter’s Pond Preserve – Baxter’s Pond Foundation 501(c)(3) – Kimberly & John Keiserman (Co-Presidents)
Guggenheim Preserve (since 2025) – Port Washington Watershed Biodiversity Coalition
Hempstead Harbor Woods – Concerned Long Island Mountain Bikers – Mike Vitti (President)
William Cullen Bryant Preserve – Nassau County Museum of Art – Jean Henning (Conservation Project Coordinator)
Sands Point Preserve – Sands Point Preserve Conservancy 501(c)(3) – Jeremiah Bosgang (Executive Director)
Leeds Pond Preserve – Science Museum of Long Island (501c3) – Hildur Palsdottir (Board/Steward), Kirsten Laird (Executive Director)
Unitarian Universalist Congregation Grounds – Unitarian Universalist Congregation at Shelter Rock – Agnes P. Cwalina (Land Management Ecologist)
Port Washington Monarch Butterfly Alliance - The Monarch butterfly is our flagship and umbrella species— representing the Coalition and Uniting Port Washington - David Jakim (Director)
ReWild Long Island 501(c)(3) – A Long Island Wide Movement for ReWilding - Raju Rajan (Co-Chairman)
Coalition members explore the grounds of the William Cullen Bryant Preserve, learning from its five acres of newly established meadow habitats — Fall 2025.
