Director, Nuclear Safety Project, Union of Concerned Scientists

Principal, Charles A. Long Properties, LLC

Co-chair, Task Force on Geoengineering, Bipartisan Policy Center

Former youth climate activist

Founder, Center for Wild Spirituality; Author, “Church of the Wild: How Nature Invites Us into the Sacred”

Senior Research Scholar and the Senior Director of Research at the Center on Global Energy Policy, Columbia University

Director of Urban Design and Planning at Skidmore, Owings & Merrill LLP

Director of Energy, The Breakthrough Institute

Co-founder and Chief Scientist, Rocky Mountain Institute

Principal, Blu Skye

Writer

Co-Founder and Chief Greenskeeper, Method Products

CEO, Ceres

Director, Sustainability & Environmental Affairs, Almond Board of California

Co-director, Institute for the Analysis of Global Security

Director, UC Davis Center for Watershed Sciences

Seed Nursery Manager, Lundberg Family Farms 

Sustainability Editor, Adweek

author, “On the Move”