Julie Burstein

Peabody Award-Winning Radio Producer, TED Speaker and Bestselling Author of "Spark: How Creativity Works"

Pharrell Williams

Singer-Songwriter, Producer & Entrepreneur; Known for the Hit Single, "Happy"

Forest Whitaker

Award-Winning Actor, Producer & Director; Best Known for "Rogue One: A Star Wars Story" & "The Last King of Scotland"

Lisa Niemi Swayze

Writer, Director, Producer, Activist & Author

Lisa Oz

Best-Selling Author, Producer, Host & Entrepreneur

Greg Gutfeld

Political Satirist Known for "The Greg Gutfeld Show" & "The Five."

Karen Finerman

CEO & Co-founder of Metropolitan Capital Advisors, Author

Amanda de Cadenet

Founder & CEO of #Girlgaze

Maria Bello

Actress, Activist & Vital Voices Global Ambassador

Peter Sagal

Host of NPR's "Wait Wait ... Don't Tell Me!"

Sway Calloway

Reporter & Host for MTV

Donnell Rawlings

Comedian & Actor; Best Known for his Role in "The Chapelle Show" and HBO's "The Wire"

Bobby Flay

Chef & Host of "Throwdown With Bobby Flay" and "America's Next Great Restaurant"

Chelsea Handler

Comedian, TV Personality & Author

Buddy Valastro

Host of "The Cake Boss" & "The Next Great Baker"

Jeffrey Saad

Chef, Restaurateur & Runner-up on "The Next Food Network Star"

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Raven Symone

Actress & Singer Known for "That's So Raven"

Amy Schumer

Award-Winning Actress & Comedian; Author of "The Girl with the Lower Back Tattoo;" Feminist Advocate

Amy Schumer diagnosed with rare health disorder: ‘Something was wrong’

Kristen Schaal

Actress, Stand-Up Comedian & Writer

Kristen Schaal's Daughter Is Not A Kristen Schaal Fan | CONAN

Rashida Jones

Actor, Writer and Producer; Best Known for Roles in "The Office" & "Parks and Recreation"

Wilmer Valderrama

Actor, Producer, Activist & Television Personality

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Adam Richman

Host of Man v. Food & Man v. Nation

Michael J. Fox

Actor, Author and Advocate; Founder, The Michael J. Fox Foundation for Parkinson’s Research

Michael J. Fox on latest Parkinson's research and how he's ...

Adam Devine

Comedian & Actor Known for "Workaholics" & "Pitch Perfect"

Wyatt Cenac

American stand-up Comedian and Actor; Former Correspondent and Writer, "The Daily Show with Jon Stewart"

Alicia Silverstone

Actress & Animal Rights Activist

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Terrence Jenkins

Actor and TV Host