Kate Brandt

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

Bruce Anderson

Solar Energy Pioneer; Chairman & CEO of 247Solar Inc.

Dr. Julio Friedmann

Chief Scientist at Carbon Direct & Non-Resident Fellow at the Center on Global Energy Policy at Columbia University SIPA

Bill Nussey

Founder of the Freeing Energy Project; Partner at Tech Square Ventures & Engage

Martin Keller

Director of National Renewable Energy Laboratory & President of Alliance for Sustainable Energy

Bruce Smith

Advisor and Acting Planning Director, Abu Dhabi Water and Electricity Company

Phillipa Grant

Senior Consultant, AESG

Afra Majid Alowais

Chief Efficienology Officer, SEWA

Mark Orlowski

Executive Director and, Founder Sustainable Endowments Institute

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

David Crane

Strategic Advisor Executive at Pegasus Capital Advisors; Former President & CEO of NRG Energy, Inc.; Climate Advocate

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Doug Fine

Globe-Trotting Journalist, Award-Winning Climate Correspondent, Goat-Herder & Author

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Paul Wheaton

Permaculture Advocate

Neeshad Shafi

Sustainability Futurist, Social Change Advocate & Expert on Climate Policy in the Middle East; Founder of Arab Youth Climate Movement Qatar

Edna Odhiambo

Independent Climate Consultant

Mithika Mwenda

Co-Founder & Executive Director of the Pan African Climate Justice Alliance

Aimee Witteman

Deputy Assistant Secretary for Intergovernmental Affairs at U.S. Department of Energy

Davis Reuben Sekamwa

Climate Activist, Project Manager in the RiseUp Movement & Co-Founder of 1 Million Activist Stories

Andrew Behar

CEO of As You Sow

Nigel Topping

High Level Climate Action Champion

Sonia Yeh

Professor, Department of Space, Earth and Environment, Physical Resource Theory

Henry Gordon-Smith

Founder & CEO of Agritecture, Sustainability Consultant & AgTech Advisor

Joel Jean

CEO & Co-Founder of Swift Solar

Adam James

Co-Founder of Clean Energy Leadership Institute; Authority on Renewable Energy & Public Policy

Roebyem Anders

Co-founder and director, Sungevity Europe

Michael Curley

Visiting Scholar at Environmental Law Institute

Aziz Rabbah

Moroccan Politician; Former Minister of Equipment, Transport and Logistics of Morocco