Michelle Gielan

National CBS News Anchor Turned Positive Psychology Researcher; Bestselling Author of "Broadcasting Happiness"

Pattie Sellers

Chair of Fortune's Most Powerful Women & Award-Winning Multimedia Journalist; Co-Founder & CEO at SellersEaston Media

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Sebastian Junger

Award-Winning Journalist, New York Times Best-Selling Author & Documentarian

Aidy Bryant

Actress & Comedian Known for "Saturday Night Live" & "Shrill"

Joey Bada$$

Hip Hop Artist & Founding Member of the Hip Hop Collective Pro Era

Chris Matthews

Former Host, Hardball with Chris Matthews, MSNBC

Cash Cash

American Electronic Dance Group; Known for the Hit "Take Me Home"

Action Bronson

Rapper Known for his Critically Acclaimed Mixtape, "Rare Chandeliers"

Lena Dunham

Writer, Director, Actor & Producer Best Known for HBO’s “Girls”

Sleigh Bells

Noise Pop Musical Duo Based in Brooklyn; Albums Include "Treats," "Reign of Terror" and "Bitter Rivals"

Graham Hill

Founder of Life Edited & TreeHugger.com

Paula Zahn

Distinguished News Anchor & Nine-Time Emmy Award Winner

Jeffrey Toobin

Former CNN Senior Analyst & Best-Selling Author

Morgan Spurlock

Film Director and Screenwriter, Most Known for the Documentary "Super Size Me"

Gail Simmons

Culinary Expert, Food Writer, and TV Personality; Best Known as the Host of Bravo's "Top Chef"

Nancy Lublin

Founder & Former CEO of Crisis Text Line

Dr. Marc Lamont Hill

Temple University Professor, BET News Correspondent, Human Rights Activist & Author

Marc Lamont Hill | Dr. Martin Luther King, Jr. Celebration

Talib Kweli

Rapper, Emcee, Activist & Entrepreneur

Talib Kweli on Black Star's return: 'We stand tall on the shoulders of ...

Annie McKee

Emotional Intelligence Expert; Founder & Chairman of Teleos Leadership Institute; Bestselling Author