Graham Hill

Founder of Life Edited & TreeHugger.com

Andrew Winston

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

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Raj Patel

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

Joseph P. Kennedy II

Former Member of the U.S. House of Representatives & Founder of Citizens Energy Corporation

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Craig Newmark

Founder of Craigslist; Internet Entrepreneur; Leader in Social Networks

Peter Thum

Co-Founder & CEO of Muse; Founder of Ethos Water

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia

Jack Hidary

CEO of Sandbox AQ

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Andrew Busch

Artificial Intelligence & Technology Futurist; Economist; First Chief Market Intelligence Officer for the US Government

AM2024: Growth Opportunities in a Period of Change

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

David Suzuki

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

Martin Sorrell

Martin Sorrell, Chief Executive Officer of WPP and has served in that role since he started the Company in 1986.

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

Glenn Roberts

Wheat and Rice Farmer; Owner of Anson Mills

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

Rye Barcott

Co-Founder & CEO of With Honor, Veteran and Author of "It Happened on the Way to War"

Shashi Tharoor

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

James Woolsey

Former Director of the C.I.A.

R "Ray" Wang

Founder, Chairman & Principal Analyst at Constellation Research; Author of "Disrupting Digital Business"

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

Tim O'Reilly

Founder & CEO of O'Reilly Media

Brian Hoffstein

Contributing Writer

Cody Adams

Managing Editor of The Floating University.

Jeffrey Israel

Author & Jewish Studies Professor at Williams College

Henry Rollins (Spoken Word)

Artist

John Zogby

Trendspotter & Leading Pollster