Billy Bean

Senior Vice President of Diversity, Equity & Inclusion for the MLB & Author of "Going the Other Way"

David Christopher

Chief Marketing Officer AT&T Mobility LLC

Kevin M. Kruse

Professor of History at Princeton University; Author of "One Nation Under God: How Corporate America Invented Christian America"

Lee Hirsch

Award-Winning Director of Bully.

Ronan Farrow

Investigative Reporter, Activist & Lawyer

Max Brooks

Author of "The Zombie Survival Guide" & "World War Z"

Marcus Luttrell

Decorated Navy SEAL & Bestselling Author of "Lone Survivor"

Ari Melber

Emmy Award-Winning Journalist, MSNBC Chief Legal Correspondent & Host of "The Beat with Ari Melber"

Watch The Beat with Ari Melber Highlights: Sept. 11

Ari Berman

Political Correspondent & Author

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates

Grant Korgan

Spinal Cord Injury-Recovering Athlete & Motivator

The Winklevoss Twins

Entrepreneurs, Investors & Bitcoin Experts

Dennard Clendenin

Cross-Cultural Educator & Consultant / Historical Reenactor

Bob Spitz

Music Industry Insider & Biographer

Chuck Wepner

The Real "Rocky"

Michael A. Davis

Journalist / Author

Bryan Fogel

Academy Award-Winning Film Director, Producer, Author & Playwright, Known for "Jewtopia" & "Icarus"

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

"Boston Rob" Mariano

Reality Star of Survivor & Amazing Race

Rick Sanchez

Emmy-Winning News Anchor

Iran Hikers

Shane Bauer, Josh Fattal & Sarah Shourd

Corban Addison

Best-Selling Author, Attorney & Activist

George P. Bush

Politician & Land Commissioner of Texas

Bryan Safi

Emmy-Winning Comedy Writer & Host of "That's Gay"

Chris Herren

Former NBA Player & Speaker on Substance Abuse Disorder and Wellness

Hugh Evans

Humanitarian; Founder & CEO of Global Poverty Project

Gregory Boyle

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

Vinny Guadagnino

Reality TV Personality, Author & Actor, Known for "Jersey Shore"

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Michael Moore

Academy Award Winning Documentarian & Best-Selling Author