Reid Hoffman

Co-Founder & Former Executive Chairman of LinkedIn; Partner at Greylock

LeBron James

Sports Icon, NBA Superstar, Philanthropist

Charles S. Dutton

Actor & Director Known for "Roc" and "The Piano Lesson"

Sandra Bernhard

Comedienne, Actress, Singer & Author

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"

Duff Goldman

Pastry Chef & Food Network Host; Star of "Ace of Cakes"

Joy Behar

Comedian, Actress & Former Co-Host of "The View"

Ken Burns

Historian & Award-Winning Documentary Filmmaker

Maria Bartiromo

Global Markets Editor, FOX Business Network

Roy Firestone

Award-Winning Journalist, Commentator & Impressionist

Gwyneth Paltrow

Actress, Entrepreneur, Founder & CEO of Goop

Jon Stewart

Talk Show Host, Comedian & Producer

Jon Stewart will return to ‘The Daily Show’ as host — just on Mondays

Pat Croce

Mega-Entrepreneur & Former NBA Team Owner

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Roger Federer

Professional Tennis Player & Record Holder for Most Grand Slam Titles Won; Ranked No. 1 in the World for a Total of Over 6 Years

Nelson George

Author / Filmmaker

Catherine Crier

Acclaimed Author, Former Judge, Award-Winning Journalist & Television Broadcaster

Judy Collins

Legendary Folk Singer & Activist

Dave Barry

New York Times Best-Selling Author & Humorist

Swamp Story: A Novel

J.K. Rowling

Author of the "Harry Potter" Series