Malala Yousafzai

Youngest-Ever Nobel Prize Winner; Advocate for Girls' Education & Women's Equality; Author of the International Bestseller "I Am Malala"

Biz Stone

Co-Founder of Twitter

Howard Schultz

Executive Chairman & Former CEO of Starbucks; Former Owner of the Seattle SuperSonics

Howard Schultz on Leadership - YouTube

Mayim Bialik

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

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY

John Oliver

Emmy-Winning Comedian, Best Known for "The Daily Show with Jon Stewart" & "Last Week Tonight"

Rosie Perez

Actress, Choreographer, Activist & Former Co-Host of "The View"

Muhammad Yunus

Nobel Peace Prize Laureate & Founder of Grameen Bank; Internationally Recognized for Work in Poverty Alleviation

Anne Wojcicki

Co-Founder & CEO of 23andMe

Lily Tomlin

Actress & Comedian; Star of Netflix's "Grace and Frankie"

Robert Herjavec

Executive Producer & Star of ABC’s "Shark Tank;" CEO of Cyderes

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Bobby Flay

Chef & Host of "Throwdown With Bobby Flay" and "America's Next Great Restaurant"

Cynthia Nixon

Actress Known for her Role as Miranda Hobbes on HBO's "Sex and the City"; Former Candidate for Governor of New York

Susan Sarandon

Academy-Winning Actress & Activist

Bill Maher

Political Satirist & Host of HBO's "Real Time"