Oscar Robertson

NBA Hall-of-Famer & Civil Rights Activist

Terrence Howard

Actor, Musician & Activist; Known for Fox's "Empire"

Alex Atala

Brazilian Celebrity Chef; Ranked One of the World's Most Influential Chefs

Rodney Carrington

Multi-talented Comedian, Actor, and Writer

Nicholas Sparks

International Bestselling Novelist & Screenwriter, Known for "The Notebook"

Rahm Emanuel

First Jewish Mayor of Chicago & Former White House Chief of Staff

Timothy Patrick McCarthy

Award-Winning Scholar, Educator & Human Rights Activist; Faculty Member at Harvard University's Graduate School of Education and John F. Kennedy School of Government

Reckoning with History: Unfinished Stories of American Freedom

Beth Simone Noveck

Founder & Director of The Governance Lab; Professor & Author of "Solving Public Problems"

City and Colour

Recording Alias for Canadian Singer-Songwriter Dallas Green

Chuck Leavell

Rolling Stones Touring Keyboard Player, Frequent Collaborator with the Allman Brothers Band, Eric Clapton, and George Harrison; Political Activist

Grouplove

American Rock Band

Ryan Phillippe

Actor; "Cruel Intentions," "I Know What You Did Last Summer"

Paul G. Stoltz

Creator of the Adversity Quotient, Expert Speaker on Human and Organizational Performance

John Ondrasik

Singer-Songwriter and Front Man of "Five For Fighting"; Philanthropist and Family Man

Bob Newhart

Stand-Up Comedian & Actor, Known for "The Bob Newhart Show" and "Newhart"