Center for Large Landscape Conservation
Founder
Wilburforce Foundation
Yellowstone to Yukon Program Director
Consortium for Conservation Medicine
Founder, Founding Executive Director
Henry P. Kendall Foundation
Associate Director
Patagonia
Co-Founder Freedom to Roam Campaign
Wildlife Conservation Society
North America Program Director
International Gorilla Conservation Programme
Technical Evaluator Consultant
Turner Foundation , Inc.
Program Evaluation Consultant
US Fish and Wildlife Service
National Landscape Conservation Cooperatives Council
Tufts University
Founding Executive Director Consortium for Conservation Medicine
Yale University
University of Pennsylvania
Cornell University