Raj Patel

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

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Michael Rogers

MSNBC's 'The Practical Futurist' & Technology Expert

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Kenneth Roth

Executive Director at Human Rights Watch

Anna Dietrich

‎Entrepreneur; Consultant; Speaker; COO & Co-Founder of Terrafugia, Inc.

Jeffrey Israel

Author & Jewish Studies Professor at Williams College

George Elvin

Green Innovation Speaker & Author

Donald Sadoway

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

Ambri: A Battery that Could Change the World

James Barisic

Disruptive thinker, lecturer, social technologist and political campaigner

Justin Hall-Tipping

The Energy Evangelist, Justin Hall-Tipping works on nano-energy startups -- mastering the electron to create power.

Joel Makower

Expert in Sustainable Business, Clean Technology, and the Green Marketplace; Founder of GreenBiz.com

Sarah O. Ladislaw

Former Managing Director at Rocky Mountain Institute (RMI)

Reihan Salam

President of the Manhattan Group for Policy Research; Former Executive Editor of National Review

Yves Rossy

Military-Trained Pilot & Aviation Enthusiast

Todd Kuiken

Biomedical Engineering Manager at the Rehabilitation Institute of Chicago

Jack Hidary

CEO of Sandbox AQ

Carlo Ratti

Architect & Engineer; Director of MIT's SENSEable City Lab; Founding Partner of Carlo Ratti Associati

Scott Aughenbaugh

Strategic Engagement Director at the National Security Innovation Network

Laura Fitton

Founder & Climate Economy Evangelist at Enough.co; HubSpot, Founder of oneforty.com; co-author Twitter for Dummies