Chuck Leavell

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

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Ambri: A Battery that Could Change the World

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

Carl Pope

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

Andrew Winston

Sustainability Expert; Author of "Green to Gold" & Co-author of “Net Positive"

Susan Eisenhower

Award-Winning Author, Strategist, National Security & International Affairs Expert

David Crane

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

Hazel O'Leary

Former Secretary of Energy

Shahram Chubin

Nonresident senior associate in the Carnegie Nuclear Policy Program. Based in Geneva, Chubin’s research focuses on nonproliferation, terrorism, and Middle East security issues.

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Bertrand Piccard

First to Circumnavigate the Globe Non-Stop in a Hot Air Balloon

Billy Tauzin

CEO, Pharm. Research and Manufacturers of America

Natalie Jeremijenko

Artist and engineer, studies in biochemistry, physics, neuroscience and precision engineering

John Sununu

Former Republican (GOP) United States Senator from New Hampshire

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

David de Rothschild

Environmentalist, Adventurer & Founder of Sculpt the Future Foundation

Edward C. Chow

Senior Associate at the Center for Strategic and International Studies, Energy Security and Climate Change Program

Fatih Birol

Executive Director of the International Energy Agency

Pierre Goldschmidt

A nonresident senior associate at the Carnegie Endowment

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown