Shama Hyder

CEO of The Marketing Zen Group

Noa Tishby

Israeli Actress, Writer, Producer & Activist

Sophia Bush

Actress, Humanitarian & Author

Mayim Bialik

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

Danica McKellar

Mathematician, Writer, Actress, Author & Producer

Dambisa Moyo

Global Economist, Author & Investor in the Future

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

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

Hill Harper

Best-Selling Author, Tech Entrepreneur, Investor, Philanthropist & Actor; Best Known For "CSI: NY" & "The Good Doctor"

Lidia Bastianich

Celebrity Chef, Author, Host of "Lidia's Kitchen"

Rob McElhenney

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

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"

Kenna

Singer-Songwriter, Tech Creative and Social Activist

Chris Bosh

Former Professional Basketball Player, Founder of the Chris Bosh Foundation

Letters to a Young Athlete