Phone: (914) 375-2151

Fax: (914) 375-2153

Groundwork Hudson Valley
22 Main Street
Yonkers, NY 10701


Brigitte Griswold, Executive Director

Sara Brody, Director of Development

Betsy Ellison, Director of Finance

Miriam FoleyBusiness Manager

Ann-Marie Mitroff, River Program Director

Sophie Niesciur, Conservation & Community Outreach Fellow

Felipe Ramirez, Development & Communications Associate

Victor Medina, Youth Programs Manager

Jennifer Sloan, Director of  Education

Ellen Theg, Director of Programs and Operations

Bob Walters, Director of The Science Barge