David Karp

Founder of Tumblr

Sigourney Weaver

Golden Globe-Winning Actress & Environmentalist

Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

Medgar and Myrlie: Medgar Evers and the Love Story that Awakened America

Dan Schulman

President & CEO of PayPal; Former President of American Express

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

John Sculley

Vice-Chairman of MDLIVE, Former CEO of Apple Computers & PepsiCo; High-Tech Entrepreneur, Venture Capitalist & Author

Rita McGrath

Expert on Business Strategy in Uncertain Environments; Acclaimed Thinkers50 Thought Leader & Author

Al Roker

Co-Host NBC Today Show Media Entrepreneur, Author

Moby

Musician, DJ, Photographer

James Watson

Molecular Biologist, Geneticist & Zoologist

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Dennis Crowley

Co-founder & Executive Chairman of Foursquare; Technology Innovator

Tim Armstrong

Former CEO of AOL; Founder & CEO of the dtx company

Jenny Fleiss

CEO & Co-Founder, Jetblack and Co-Founder, Rent the Runway

Pattie Sellers

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

Tal Ben-Shahar

Best-Selling Author & Positive Psychology Expert

Edie Weiner

President & CEO of The Future Hunters

Graham Hill

Founder of Life Edited & TreeHugger.com

Suzy Welch

Best-Selling Author, Popular Television Commentator & Noted Business Journalist

Henry Blodget

Co-Founder, CEO, and Editor in Chief of "Business Insider"