Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

James Woolsey

Former Director of the C.I.A.

Bernard Kouchner

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

John Zogby

Trendspotter & Leading Pollster

Michael Steele

Conservative Political Commentator & Former Republican Party Politician

Ronan Farrow

Investigative Reporter, Activist & Lawyer

Carey Lohrenz

First Female F-14 Fighter Pilot in the U.S. Navy, Team-Building, Leadership & Strategy Expert

Valerie Jarrett

Civic Leader, New York Times Best-Selling Author & Former Senior Advisor to President Obama

Robert M. Gates

Secretary of Defense (2006 - 2011), Former Director of the CIA

Deval Patrick

Two-term Governor of Massachusetts, Civil Rights Attorney & Business Leader

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis

Dr. M. Joycelyn Elders

Former Surgeon General of the United States

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Vandana Shiva

World-Renowned Environmental Leader

Blair Underwood

Award-Winning Actor & Producer

Khalil Gibran Muhammad

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

Gregory Boyle

Roman Catholic Priest of the Jesuit Order; Founder of Homeboy Industries

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

John P. Kotter

Leadership & Change Management Guru