Chuck Leavell

Rolling Stones Touring Keyboard Player, Frequent Collaborator with the Allman Brothers Band, Eric Clapton, and George Harrison; Political Activist

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Mark Z. Jacobson

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

Rob Harmon

President and CEO of EnergyRM

Bunker Roy

Founder of Barefoot College

Pavan Sukhdev

President, WWF International; Environmental Economist

Reed Timmer

Meteorologist & Extreme Storm Chaser, Featured on the Reality Series "Storm Chasers"

Josh Tickell

America's #1 Expert on the Millennials generation. Creator, Director and Star of the movie "FUEL"

Tim Jackson

Ecological Economist, Playwright & Director of the Centre for the Understanding of Sustainable Prosperity

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

John Passacantando

Former Executive Director of Greenpeace USA

Joseph P. Kennedy II

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

Francesco Stipo

President & CEO of the Houston Energy Club; Leading Authority on International Affairs & Energy

Alex Steffen

Author of "Carbon Zero: Imagining Cities That Can Save the Planet"

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Chad Pregracke

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

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

David Gallo

Director of Special Projects, Woods Hole Oceanographic Institution

Doug Fine

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

Jamais Cascio

Author, Founder of Open The Future, Co-founder of WorldChanging.com, Specialist in Emerging Technologies, Environmental Dilemmas, and Cultural Transformation

Majora Carter

Real Estate Developer, Peabody Award-Winning Broadcaster & Urban Revitalization Strategy Consultant

James Canton

Futurist, Author & Visionary Business Advisor

Machines That Think: The Good, Bad and Scary of A.I. | Dr. James Canton

Ian Bowles

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

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Gonzalo Delacámara

Director of the IE Center of Water & Climate Adaption; Global Expert in Climate Change Adaption & Authority in Sustainability & Natural Resources

IDA WC 2022 - Dr. Gonzalo Delacámara