Abbi Jacobson & Ilana Glazer (Broad City)

Stars of the Comedy Central Series "Broad City"

American Authors

Indie Rock Band; Known for "Best Day Of My Life"

Andrew Jenks

Filmmaker and Star of MTV's "World of Jenks"

Andy Samberg

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

Angel Haze

Rapper and Lyricist; Featured Artist for XXL Magazine's Freshman Class of 2013

Aziz Ansari

Actor, Stand-up Comedian, and Star of "Master of None"

Baratunde Thurston

Futurist Comedian, Writer & Cultural Critic

Ben Vereen

Tony Award-Winning Entertainer

Actor Ben Vereen uses star power to show support for Ukraine

Billie Jean King

Former World #1 Professional Tennis Player & Sports Icon; Advocate for Women's Equality

Brian Williams

Former Anchor and Managing Editor, "NBC Nightly News" and "Rock Center with Brian Williams"

Buddy Valastro

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

Caroline Rhea

Stand-up Comedian, Actress & Television Host

Chris Hughes

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

Clay Shirky

Expert on New Technology & Social Media, & How They Shape Culture; Professor & Distinguished Writer in Residence, NYU

Clinton Kelly

Host of ABC's "The Chew"

Colin Jost

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

Cynthia Nixon

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

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

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

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