Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Richard Florida

Leading Urbanist, Economist & Author of "The Rise of the Creative Class"

The Great Reset: How the Post-Crash Economy Will Change the Way We Live and Work

Joseph Stiglitz

American Economist, Professor at Columbia University & Nobel Memorial Prize in Economic Sciences 2001

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"

Robert Ballard

Renowned Ocean Explorer & Scientist

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

David Suzuki

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

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Amy Myers Jaffe: TEDx Energy Policy

Ramez Naam

Computer Scientist, Science Fiction Author & Co-Chair of Energy & Environment at Singularity University

Yang Lan

Co-Founder & Chairperson of the Sun Media Group & Sun Culture Foundation; Called the 'Oprah of China'

Ted Turner

Media Mogul & Philanthropist

Peter Orszag

Economist, Chief Executive Officer of Lazard & Former Director of the Office of Management and Budget in the Obama Administration

Dean Kamen

Founder of FIRST; President of DEKA Research & Development Corporation

Francesco Stipo

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

Pat Mitchell

Editorial Director & Host of TEDWomen; Co-Chair of the Women's Media Center; Former President of CNN Productions & PBS

Kathy Bates

Academy Award-Winning Actress; Cancer Survivor & Chairperson for the Lymphatic Education & Research Network

Hayden Panettiere

Actress Known for "Nashville" & "Heroes" & Animal Rights Activist

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Emmy Rossum

Actress Known for Showtime's "Shameless" & Singer-Songwriter