Director of Public Policy, National Ski Areas Association

Chief Policy Advisor on Energy and Environment, Senate pro Tem

Professor of Journalism, Vanderbilt University; Author, The Fate of Food

Director, Nuclear Safety Project, Union of Concerned Scientists

Wastewater Management Mechanic, City of St. Petersburg, Florida

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

Principal, Charles A. Long Properties, LLC

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

Former youth climate activist

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