Xiuhtezcatl Martinez

Indigenous Climate Activist, Hip-Hop Artist, Author & Youth Director of Earth Guardians

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Tala Dowlatshahi

Award-Winning Global Human Rights, Climate Change & Public Health Policy Expert; Former Senior Advisor for Stakeholder Engagement at the United Nations

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia

Bill Drayton

Social Entrepreneur, Founder & C.E.O of Ashoka. Leading an Everyone a Changemaker world movement.

Caroline Casey

Founder of Kanchi & The Ability Awards

Ian Bowles

Environmentalist & Energy Expert; Co-Founder of WindSail Capital Group

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

John Holdren

Professor of Environmental Policy & Director of the Program on Science, Technology, and Public Policy at the Harvard Kennedy School of Government

Catherine Coleman Flowers

Climate Justice Activist; Founding Director of the Center for Rural Enterprise and Environmental Justice

Catherine Coleman Flowers - Climate Business Innovation Summit

Bruce Usher

Columbia Business School Professor; Former CEO of EcoSecurities Group

Kimi Werner

Freedive-Spearfishing Champion, Certified Chef & Award-Winning Environmentalist

Joseph P. Kennedy II

Former Member of the U.S. House of Representatives & Founder of Citizens Energy Corporation

Gro Harlem Brundtland

Former Director-General, World Health Organization

Michael Sheldrick

Co-Founder, Global Citizen; Author of “From Ideas to Impact: A Playbook for Influencing and Implementing Change in a Divided World”

Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Meg Lowman

National Geographic Explorer & Arbornaut

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Mark Tercek

Former President & CEO of The Nature Conservancy

John Passacantando

Former Executive Director of Greenpeace USA

Daniel Esty

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

David Goodman

New York Times Best-Selling Author & Journalist

Bernard Kouchner

Former Minister of Health of France; Founder of Nobel Peace Prize-Winning Médecins Sans Frontières

Riddhima Yadav

Climate Strategist & Sustainability Business Leader

Alanis Morissette

Alt-Rock Angst Icon Known for "You Oughta Know" & "Ironic"

Dr. Julio Friedmann

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

Edna Odhiambo

Independent Climate Consultant