Chelsea Peretti

Comedian, Writer & Actress Known for "Brooklyn Nine-Nine"

Chris Hastings

Chef and Owner of Hot and Hot Fish Club, James Beard Best Chef Nominee

Chris Herren

Former NBA Player & Speaker on Substance Abuse Disorder and Wellness

Chris Hughes

Senior Fellow, Institute on Race, Power, and Political Economy; Co-founder of Facebook & Former Editor-in-Chief at The New Republic

Chris Sacca

Google & Twitter Innovation Guru

Christian Siriano

Fashion Designer, Founder of Christian Siriano, Winner of "Project Runway" Season 4

Christina Milian

Television Personality, Host, R&B Singer-Songwriter and Actress

Claire Holt

Actress Known for Her Role in "The Vampire Diaries," "The Originals" and "Aquarius"

Clare Kramer

Actress Best Known for "Bring It On" & "Buffy the Vampire Slayer"; Creator of GeekNation.com

Clinton Kelly

Host of ABC's "The Chew"

Colbie Caillat

Two-time Grammy Winning Singer Known for "Bubbly"

Colin Cowie

Celebrity Event Planner & Designer, Author, Lifestyle Expert & Ambassador of Style

Colin Jost

Head Writer for “Saturday Night Live,” Comedian & Actor

Common

Award-Winning Artist, Actor, Producer, Musician & Writer

And Then We Rise: A Guide to Loving and Taking Care of Self

Conan O'Brien

Comedian, Writer & Host of "Conan"

Craig Robinson

Comedic Actor Known for "The Office," "Knocked Up" & "Brooklyn Nine-Nine"

Cynthia Nixon

Actress Known for her Role as Miranda Hobbes on HBO's "Sex and the City"; Former Candidate for Governor of New York

Dale Talde

Chef, Consultant, Restaurateur and Former Contestant on Bravo's "Top Chef"

Damon Wayans Jr.

Actor, Known for his Roles in "Happy Endings" and "New Girl"

Dan + Shay

Grammy Award-Winning Country Music Duo Known for "Speechless" & "Tequila"

Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Dan Levy

Emmy-Winning Showrunner, Writer, Actor, Director & Producer, Best Known for "Schitt's Creek"

Dan Savage

Advice Columnist & Host of the "Savage Lovecast" Podcast; LGBTQ Activist

Darryl Van Leer

Television Actor & Stage Performer

David A. Owens

Vanderbilt Management Professor, Director of the Executive Development Institute & Author of "Creative People Must Be Stopped!"

David Cutler

Harvard Professor of Applied Economics & Author

David Satcher, M.D., Ph.D.

16th US Surgeon General; Founding Director of the Satcher Health Leadership

Debora Spar

NYT Bestselling Author & Senior Associate Dean of Business & Global Society, Harvard Business School

Deborah Norville

Two-Time Emmy Award-Winning Journalist; Anchor of "Inside Edition" & Best-Selling Author

Debra Messing

Emmy Award-Winning Actress & Global Ambassador for PSI/Youth AIDS