Phone: (914) 375-2151

Fax: (914) 375-2153

Groundwork Hudson Valley
22 Main Street
Yonkers, NY 10701


Brigitte Griswold, Executive Director

Barbara Brill, Director of Finance and Administration

Miriam FoleyBusiness Manager

Ivoire LaVann, Americorps Vista

Sara Brody, Director of Development

Ann-Marie Mitroff, River Program Director

Sophie Niesciur, Conservation & Community Outreach Fellow

Roger Osorio, Youth Programs Associate

Ashley Perez, Education Programs Associate

Felipe Ramirez, Development & Communications Coordinator

Victor Medina, Youth Programs Manager

Jennifer Sloan, Director of  Education

Ellen Theg, Director of Contracts and Special Projects

Bob Walters, Director of The Science Barge