Contact Us (914) 375-2151 (914) 375-2153 Groundwork Hudson Valley22 Main StreetYonkers, NY 10701 Contact Us Name* First Last Email* PhoneWho would you like to contact?*Brigitte Griswold, Executive DirectorJason Bonet, Sustainability Education AssociateJerome Cunningham, Development & Communications AssociateMiriam Foley, Business ManagerOded Holzinger, Rivers and Trails ManagerJoel Rodriguez, Sustainability Education ManagerEllen Theg, Director of Programs and OperationsKaren Tumelty, Director of DevelopmentVictor Medina, Youth Programs ManagerGeneral InquiryMessage*NameThis field is for validation purposes and should be left unchanged.