Marin County Parks and Open Space Department

Acting Director and General Manager

Ronald Miska, Acting Director and General Manager | Email or (415) 473-6391


Administrative Services

Yvonne Zupkow, Administrative Services Manager | Email or (415) 473-6389


Capital Projects

Christopher Bramham, Superintendent | Email or (415) 473-3639


Communications, Environmental Education, & Events

Tina Torresan, Communications Manager | Email or (415) 473-4044

David Herlocker, Interpretive Naturalist | Email or (415) 893-9508


Operations & Maintenance

Chris Chamberlain, Superintendent | Email or (415) 473-5085

Max Korten, Superintendent | Email or (415) 473-6390

Brian Sanford, Superintendent | Email or (415) 473-7473

Ari Golan, Chief Open Space Park Ranger | Email or (415) 473-2055

Rob Ruiz, Chief Open Space Park Ranger | Email or (415) 473-4045

Dan Sauter, Chief Open Space Park Ranger | Email or (415) 473-6531


Planning & Resource Management

Mischon Martin, Chief of Natural Resources & Science | Email or (415) 473-2056

Stephen Petterle, Principal Landscape Architect | Email or (415) 473-6394

Carl Somers, Chief of Planning & Acquisition | Email or (415) 473-2820


Volunteer Programs

Greg Reza, Volunteer Coordinator, Open Space | Email or (415) 473-3778

Kirk Schroeder, Volunteer Coordinator, Parks and Landscape Services | Email or (415) 473-2823