Sophia Bush

Actress, Humanitarian & Author

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Ashton Kutcher

Actor, Producer, Investor & Activist

will.i.am

Multi-Faceted Entertainer & Creative Innovator; Education Advocate

Black Eyed Peas Present Masters of the Sun: The Zombie Chronicles (Black Eyed Peas Pres...

Dambisa Moyo

Global Economist, Author & Investor in the Future

Snoop Dogg

Rapper, Singer, Songwriter, Record Producer & Actor

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"

Yang Lan

Co-Founder & Chairperson of the Sun Media Group & Sun Culture Foundation; Called the 'Oprah of China'

Rachel Zoe

Celebrity Stylist, Fashion Designer, Author, Talk Show Host of "Fashionably Late With Rachel Zoe"

Ashley Judd

Actress, Activist & Humanitarian

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Gloria Estefan

Grammy Award-Winning Latin Musician

Rob McElhenney

Creator & Star of "It's Always Sunny in Philadelphia" & "Mythic Quest"; Co-Owner of Welsh Football Club Wrexham A.F.C.

LCD Soundsystem

The King of Disco-Punk. The Godfather of the Remix. The Supreme Eminent Archon of Dance.

Vivica A. Fox

Actress, Producer, Director, Host, Author & Entrepreneur

Marissa Mayer

Co-Founder and CEO of Sunshine; Former President & CEO of Yahoo!

Melissa Rauch

Actress, Writer & Stand-Up Comic, Best known for "The Big Bang Theory"

Chris Bosh

Former Professional Basketball Player, Founder of the Chris Bosh Foundation

Letters to a Young Athlete