Board of trustees

Fortune magazine called our board one of the most influential nonprofit boards in the country.


Mark W. Heising, Chair
Managing Director, Medley Partners
Vice Chair, Heising-Simons Foundation

Matt Cohler, Vice Chair
General Partner, Benchmark

Katherine Lorenz, Vice Chair
President, Cynthia and George Mitchell Foundation

Peggy M. Shepard, Vice Chair
Co-founder and Executive Director, West Harlem Environmental Action, Inc. (WE ACT for Environmental Justice)


G. Leonard Baker, Jr.
Limited Partner, Sutter Hill Ventures

Joshua Bekenstein
Managing Director, Bain Capital

Georges C. Benjamin, MD
Executive Director, American Public Health Association

Michael D. Bills
Founder and CIO, Bluestem Asset Management

Shelby W. Bonnie
Co-founder, CNET Networks

Christopher A. Cole
Chairman, Ardea Partners, LLC

Christopher Costello
Professor of Natural Resource Economics, Bren School UCSB
Research Associate, National Bureau of Economic Research

Rachel Crane
Former Space, Science and Innovations Correspondent, CNN

Leslie Dach
Strategic Consultant

Ruth DeFries, Ph.D.
Denning Family Professor of Sustainable Development, Department of Ecology, Evolution, and Environmental Biology, Columbia University

Susan Ford Dorsey
President, Sand Hill Foundation

Stanley Druckenmiller

Nikki Eslami
Founder and CEO, New Theory Ventures
Founder and CEO, Wild Elements

Kirsten J. Feldman
Retired Managing Director, Morgan Stanley
Chair, Steep Rock Association

Carl Ferenbach
Chairman, High Meadows Foundation

Lynn R. Goldman, M.D., M.P.H.
Dean, George Washington University School of Public Health and Health Services

Charles J. Hamilton, Jr.
Senior Counsel, Windels Marx Lane & Mittendorf, LLP

Alice Hill
David M. Rubenstein Senior Fellow for Energy and the Environment, Council on Foreign Relations

Coddy Johnson
Partner, Goodwater Capital

The Honorable Thomas H. Kean
Former Governor of New Jersey
Chairman, THK Consulting

Lisa Keith
Development Consultant

Richard J. Lazarus
Charles Stebbins Fairchild Professor of Law, Harvard University

Abby Leigh

Frank Loy
Former Under Secretary of State for Global Affairs

Secretary Ray Mabus
Former Secretary of the Navy

Susan Mandel
ZOOM Foundation

Elizabeth McCance
Trustee, McCance Family Foundation

Marie Lynn Miranda, Ph.D.
Chancellor and Professor of Pediatrics, University of Illinois Chicago

Kathryn Murdoch
President, Quadrivium Foundation

Susan Oberndorf
President, Susan and William Oberndorf Foundation

Kenneth Olden, Ph.D.
Former Director, National Institute of Environmental Health Sciences and the National Toxicology Program/National Institutes of Health
Former Director of the National Center for Environmental Assessment/U.S. Environmental Protection Agency

Stephen W. Pacala, Ph.D.
Frederick D. Petrie Professor in Ecology and Evolutionary Biology, Emeritus
Senior Scholar in the High Meadows Environmental Institute, Princeton University

Bruce V. Rauner
Former Governor, State of Illinois
Former Chairman, GTCR

Spencer Robertson

Virginia Sall
Co-founder, Sall Family Foundation

Lise Strickler
Three Cairns Group

Susan Wojcicki
SVP & Advisor, Google/Alphabet

David S. Vogel
CEO & Chief Scientist, Voloridge Investment Management

Ion Yadigaroglu
Managing Partner, Capricorn Investment Group

Honorary trustees

Gene E. Likens, Ph.D.

N. J. Nicholas, Jr.

George M. Woodwell, Ph.D.*

* Founding trustee