David Suzuki

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

Jeffrey Garten

Professor, Yale School of Management and Expert on Global Business Strategy

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Raj Patel

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

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Dr. Samantha Nutt

Medical Doctor, Award-Winning Humanitarian, Bestselling Author & Founder of War Child USA

Drew Gilpin Faust

President of Harvard University

Leonard Mlodinow

Theoretical Physicist, Author, Recognized for Groundbreaking Discoveries in Physics

Robin Wright

Foreign Policy Analyst, Journalist & Author of "Rock the Casbah: Rage and Rebellion across the Islamic World"

David Remnick

Editor, The New Yorker

Immaculée Ilibagiza

Author, "Left to Tell: Discovering God Amidst the Rwandan Holocaust"

Somaly Mam

Survivor & Anti-Sex Slavery Activist

Rye Barcott

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

John Zogby

Trendspotter & Leading Pollster

John Evans

Strategist, Dynamic Speaker, Popular Author & Business Trainer/Consultant

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Kenneth Roth

Executive Director at Human Rights Watch

Kelly McGillis

Actress Known for "Top Gun"

Jacques Attali

French Economist, Business Leader

Mariane Pearl

Widow of Journalist Daniel Pearl

Andrew N. Liveris

Former Chairman & CEO of The Dow Chemical Company

Bernard Kouchner

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

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

Beth Simone Noveck

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

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

Robert D. Kaplan

Best-Selling Author & Atlantic Monthly Correspondent

Don Reynolds

Real World Economist

Daniel Silva

New York Times Bestselling Author & Spy Novelist

Hazel O'Leary

Former Secretary of Energy