Mayor, San Francisco

Vice President, Brookings Institute

CEO, Pacific Ethanol

CEO, Western United Dairymen

Distinguished Professor of Agricultural and Resource Economics , UC Davis

Author, What Has Nature Done For Us? How Money Really Does Grow on Trees

author, “On the Move”

Author, Environmental Debt: The Hidden Costs of a Changing Global Economy

Author, Overheated: The Human Cost of Climate Change

Host, Designing Healthy Communities

Former Governor of Colorado

Former Governor of New Jersey; former EPA Administrator

Author, The Attacking Ocean

Senior Lecturer, Stanford Woods Institute for the Environment

Executive Director, Local Energy Aggregation Network

Business Rep., International Brotherhood of Electrical Workers Local 1245

E.T. Grether Professor, Haas School of Business, University of California

President, Environmental Progress

Director of Google Ideas, Google

Executive Chairman, Google