Khalil Gibran Muhammad

Professor of History, Race & Public Policy at Harvard Kennedy School; Author of "The Condemnation of Blackness"

Noa Tishby

Israeli Actress, Writer, Producer & Activist

Neil Gershenfeld

Director of MIT’s Center for Bits & Atoms

Ryan Hamilton

Named one of Rolling Stone's five comics to watch and with standout appearances on NBC's "Last Comic Standing"

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

David Suzuki

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

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

John Zogby

Trendspotter & Leading Pollster

Shaun Robinson

Former Co-Host of Access Hollywood; Advocate for Young Women & Founder of "One Girl: A Million Ways to Make a Difference"

Jon Corzine

Former Governor of New Jersey; Former CEO of Goldman Sachs & MF Global

James Woolsey

Former Director of the C.I.A.

William Frist

Chair, The Nature Conservancy Global Board; Former U.S. Senate Majority Leader, Heart Transplant Surgeon; Founder of Founding Partner of Frist Cressey Ventures and Hope Through Healing Hands

Dr. William H. Frist - Acceptance Speech

Lolo Jones

USA Track & Field Star

Edgar Ramírez

Actor, most well known for his role as Ares in "Wrath of the Titans."

Rusty Wallace

Professional NASCAR Driver

Shashi Tharoor

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

Robert D. Kaplan

Best-Selling Author & Atlantic Monthly Correspondent

Daniel Silva

New York Times Bestselling Author & Spy Novelist

Jeffrey Toobin

Former CNN Senior Analyst & Best-Selling Author