Arne Duncan

Managing Partner at Emerson Collective; Former U.S. Secretary of Education

Aaron McGruder

Writer and Cartoonist; Known for "The Boondocks"

Gabe Kaplan

Sitcom Star, Stand-Up Comedian and World-Champion Gambler

Neon Trees

Alternative Rock Band Known for their Single "Everybody Talks"

David Oyelowo

Actor Known for "Selma," "The Butler" & "Rise of the Planet of the Apes"

Sara Lawrence Lightfoot

Sociologist, Educator & Author

Olympia Snowe

Former U.S. Senator, Businesswoman

Joe Piscopo

American Comedian and Actor

Rami George Khouri

Executive Editor of Lebanese Newspaper, The Daily Star

Juicy J

Oscar-Award Winning Rapper, Songwriter & Record Producer; Founding Member of Three 6 Mafia

Chronicles of the Juice Man: A Memoir

Nomi Prins

Distinguished Political-Financial Expert, Journalist & Author

Patricia J. Williams

Columnist & Law Professor

Minus The Bear

Pop Indie Rock Band Known for "My Time"

Quinton Aaron

Actor, Best-known for his portrayal of Michael Oher in the 2009 film "The Blind Side"

Meghan McCain

Political Columnist, Author & Award-Winning Blogger

Big Boi

Grammy Award-Winning Rapper, Producer, Actor & One Half of the Hip-Hop Duo OutKast

Mark Boal

American Journalist, Producer, and Academy Award-Winning Screenwriter for "The Hurt Locker" and "Zero Dark Thirty"

Mark Boal | BAFTA Screenwriters’ Lecture Series

Paul Rusesabagina

Real Life Hero of Hotel Rwanda

Branford Marsalis

Grammy Award-Winning Jazz Musician & Passionate Music Educator

Ken Mehlman

Social Entrepreneur, Businessman, Attorney & Republican Political Figure; Advocate for Gay Marriage