Max Levchin

CEO, Affirm; Co-Founder of PayPal

Dan Marino

Pro Football Hall of Famer, NFL MVP, 9-time Pro Bowl, Business Owner & Philanthropist

Carl Lentz

Senior Pastor of the Manhattan Branch of the Global Hillsong Evangelical Church

Bobby Lee

Actor & Comedian; Best Known for "Mad TV" & "Pineapple Express"

Lisa Randall

Award-Winning Physicist & Author

Mark Lowry

Singer-Songwriter, Author & Christian Comedian

Mark Lowry - Interruptions (Comedy/Live)

Elizabeth Vargas

Emmy Award-Winning Journalist & Investigative Reporter; Co-Anchor on ABC News' "20/20"

Elizabeth Vargas On Overcoming Anxiety And Addiction | NBC News

Barbara Pierce Bush

Co-Founder & CEO of Global Health Corps

Rick Smolan

Photographer & Big Data Enthusiast

Anne Mulcahy

Chairman and CEO, Xerox Corporation (2001-2010) and Chairman, Save the Children.

Doug Ellin

Creator & Executive Producer, HBO's "Entourage"

Jase Robertson

COO of Duck Commander & Star of A&E's "Duck Dynasty"

Jeffrey Ma

Revolutionary Business Strategist, Social Media Mogul, and Kingpin of the Famous MIT Blackjack Team

Rick Pitino

Head Coach of the University of Louisville Men's Basketball Team

Bill Joy

Partner, Kleiner Perkins Caufield & Byers

Michael Oher

Subject of The Blind Side & NFL Player

How Michael Oher Overcame Unbelievable Challenges And Poverty ...

Jamie-Lynn Sigler

Actress Known for "The Sopranos", Spokesperson for Eating Disorders and MS

Jamie-Lynn Sigler on Life with MS

Oscar Pistorius

"Blade Runner"; Double-Amputee Olympic Sprinter

Korie Robertson

Star of A&E's "Duck Dynasty"

Oscar Arias

Former President of Costa Rica & Nobel Laureate