David Suzuki

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

Drew Houston

Co-Founder & CEO of Dropbox

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

Ted Turner

Media Mogul & Philanthropist

Raj Patel

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

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

George Foreman

World Boxing Champion & Entrepreneur

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"

Al Pacino

Award-Winning Actor Known for "The Godfather"

Tribute to Al Pacino | AFI Life Achievement

Joseph P. Kennedy II

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

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

Ellen Kullman

CEO of Carbon, Former Chair & CEO of DuPont & Former Director of General Motors

Rye Barcott

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

Mark Zandi

Chief Economist of Moody's Analytics; Co-Founder of Economy.com

John Zogby

Trendspotter & Leading Pollster

John Evans

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

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Laura Liswood

Secretary General, Council of Women World Leaders; Senior Advisor, Goldman Sachs

Lawrence Krauss

Theoretical Physicist, Author & Professor

Kenneth Roth

Executive Director at Human Rights Watch

Diane Keaton

Academy Award-Winning Actress & Author

Queen Rania Al Abdullah

Royal Matriarch of Jordan; Activist and Global Humanitarian

Kelly McGillis

Actress Known for "Top Gun"