Nick Bilton

New York Times Lead Technology Writer

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Barry Nalebuff

Milton Steinbach Professor of Management at Yale School of Managment, Co-Founder of Honest Tea & Chairman of KomBrewCha

John Amaechi

Organizational Psychologist, Leadership Transformation Expert & Former NBA Player

Peter Hirshberg

Pioneering Entrepreneur and Voice on Disruptive Culture and Technology; Chairman of the Re:imagine Group

John Zogby

Trendspotter & Leading Pollster

Brad Meltzer

Host of History Channel’s "Lost History" & "Brad Meltzer’s Decoded;" New York Times Best-Selling Author

Ginger Zee

Chief Meteorologist for ABC News, Author & Mental Health Advocate

Chasing Helicity: Through the Storm (The Chasing Helicity Series) (Chasing Helicity Ser...

Graham Hill

Founder of Life Edited & TreeHugger.com

Henry Blodget

Co-Founder, CEO, and Editor in Chief of "Business Insider"

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker

James Woolsey

Former Director of the C.I.A.

Grant Achatz

Award-Winning Chef, Restaurateur & Cancer Survivor

Dileep Rao

Actor Who has Appeared in the Films "Inception," "Drag Me to Hell" and "Avatar"

Alec Ross

Author of "The Industries of the Future," and Recent Senior Advisor for Innovation to Hilary Clinton

Jeffrey Toobin

Former CNN Senior Analyst & Best-Selling Author

Dave Morin

Online Entrepreneur; Co-Founder & CEO of Path

David Houle

Global Futurist & Strategist, Honorary President and Futurist of the Future Business School of China. Houle won two Emmys, a Peabody award and the Heartland award for "Hank Aaron: Chasing the Dream"

Moving to a Finite Earth Economy | David Houle | TEDxUofIChicago

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown