Dr. Marc Lamont Hill

Presidential Professor at CUNY Graduate Center, BET News Correspondent, Human Rights Activist & Author

Raj Patel

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

Juan Williams

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

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

John Zogby

Trendspotter & Leading Pollster

Graham Hill

Founder of Life Edited & TreeHugger.com

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Tonya Lewis Lee

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

Tonya Lewis Lee on the Black maternal mortality crisis

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

Brad Meltzer

Host of History Channel’s "Lost History" & "Brad Meltzer’s Decoded;" New York Times Best-Selling Author

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Dr. Samantha Nutt

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

Rye Barcott

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

Mariane Pearl

Widow of Journalist Daniel Pearl

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Joseph P. Kennedy II

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

Amy DuBois Barnett

Chief Content Officer, theGrio.com & EVP Digital, Entertainment Studios

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Dr. M. Joycelyn Elders

Former Surgeon General of the United States

Talib Kweli

Rapper, Emcee, Activist & Entrepreneur