Melissa Rauch

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

Mayim Bialik

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

Sophia Bush

Actress, Humanitarian & Author

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

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"

Marissa Mayer

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

E-40

Rapper, Entrepreneur and Investor

Seth Troxler

DJ & Record Producer

They Might Be Giants

Geek-Pop Maestros; Alternative Rock Group

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Ashley Judd

Actress, Activist & Humanitarian

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.

Alexander Skarsgård

Television & Film Actor; Known for "True Blood" & "Succession"

Alexander Skarsgård Gives Stephen A Masterclass In Speaking Swedish

Brooklyn Decker

Actress, Model & Tech Entrepreneur

Imogen Heap

Musician, Producer & Founder of Mycelia For Music