Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Rye Barcott

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

Raj Patel

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

Graham Hill

Founder of Life Edited & TreeHugger.com

Ted Turner

Media Mogul & Philanthropist

George P. Bush

Politician & Land Commissioner of Texas

John Zogby

Trendspotter & Leading Pollster

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

David Goodman

New York Times Best-Selling Author & Journalist

Andrew Busch

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

AM2024: Growth Opportunities in a Period of Change

James Woolsey

Former Director of the C.I.A.

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Andrew Winston

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

Bernard Kouchner

Former Minister of Health of France; Founder of Nobel Peace Prize-Winning Médecins Sans Frontières

Pat Mitchell

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

Beth Simone Noveck

Founder & Director of The Governance Lab; Professor & Author of "Solving Public Problems"

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Peter Thum

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

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates

Kathy LeMay

Founder, President & CEO of Raising Change

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Craig Kielburger

Co-Founder of the WE Organization, Social Entrepreneur, Humanitarian & New York Times Best-Selling Author

Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

Somaly Mam

Survivor & Anti-Sex Slavery Activist

Jesse Dylan

Founder/CEO of Wondros & Filmmaker

David Suzuki

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

Peter Rojas

Co-founder of Gizmodo and of Engadget

Mariane Pearl

Widow of Journalist Daniel Pearl

Hazel O'Leary

Former Secretary of Energy