Winona LaDuke

Executive Director of Honor the Earth

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Jason Clay

Senior Vice President of Food & Markets at WWF

Bunker Roy

Founder of Barefoot College

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Robert Tucker

Business Futurist, Innovation Expert & Best-Selling Author

Innovation is Everybody’s Business, a CadreTalk with Robert B. Tucker

Andrew Fastow

Former CFO of Enron & Expert on Financial Ethics

Joel Zeff

Emcee, Workplace Expert, Author & Humorist

Jody Williams

Humanitarian and Nobel Peace Prize Winner and Chairman of the International Campaign to Ban Landmines

Geoffrey West

Theoretical Physicist, Distinguished Professor & Past President of Santa Fe Institute

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker

Mark Lynas

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

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

Karen Pittman

Co-Founder & Former Executive Director of the Forum for Youth Investment

Marc Abrahams

Creator of the Ig Nobel Prizes

Ahmed Hassan

Celebrity Landscaper & TV Host of DIY's Yard Crashers, Blog Cabin, Turf War

Gary Snyder

Poet, Essayist, Lecturer and Environmental Activist

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute

Jessica Matthews + Julia Silverman

Co-Founders of Uncharted Play, Inc.; Co-Inventors of the SOCCKET ball