Emma Watson

Actress, Model & Activist; UN Women Goodwill Ambassador; Co-Founder of the HeForShe Campaign

Mitchell Kapor

Tech Consultant to the 2008 Obama Campaign, Philanthropist, Entrepreneur & Education Advocate

Dr. Laura D'Andrea Tyson

First Female Chairman of White House Council of Economic Advisors

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Reverend Al Sharpton

Baptist Minister, Political, Civil Rights & Social Justice Activist

Rick Smolan

CEO of Against All Odds Productions, Photographer, Author & Big Data Enthusiast

Leilani Munter

Professional Race Car Driver & Environmental Activist

Michael Oher

Founder of Oher Foundation for Disadvantaged Youth; Former NFL Player for Baltimore Ravens, Tennessee Titans & Carolina Panthers; Super Bowl 47 Champion; Story Told in Movie "The Blind Side"

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Jonathan Perry

Gay Student Activist

Kathleen Kennedy Townsend

Maryland's 1st Female Lt. Governor

Alvin Poussaint

Psychiatrist, Media Consultant & Author

Beverly Crawford

Professor at the University of California at Berkeley

Dick Beardsley

Motivational Speaker, Suicide Survivor of Loss, Farm Accident Survivor, Prescription Drug Addiction Survivor, Famous 1982 Boston Marathon Runner, Author, Fishing Guide & Innkeeper

Andrea Tantaros

Journalist, Author, Conservative Political Analyst & Commentator; Former Co-Host of "Outnumbered" & "The Five"

Riki Wilchins

Comic and LGBT Activist

David Javerbaum

Award-Winning Comedy Writer & Producer; Known as God's "Secretary" for his Twitter Account @TheTweetOfGod

Marion Jones

Former Track & Field Athlete

Antonio Damasio

Director of the Brain Institute

Sanya Richards-Ross

Four-Time Olympic Gold Medalist Sprinter; TV Personality & Entrepreneur

Sanya Richards-Ross competes in epic 400m final | World Athletics ...

James McBride

New York Times Best-Selling Author & Musician

Charles Barkley

Retired NBA Power Forward, Analyst on "Inside the NBA," One of the NBA's 50 Greatest Players of All Time

Annabelle Gurwitch

Actress & Humorist

John Kay

British Economist, Author, "Obliquity," "Other People's Money"

Lee DeWyze

Winner of American Idol Season 9

Janelle Monáe

Singer-Songwriter, Rapper, Actress & LGBTQ Advocate

Robert Sutton

New York Times Bestselling Author & Professor of Management Science & Engineering at Stanford University

Summer Sanders

Former Olympic Gold Medalist Swimmer; Sports Commentator

Jamal Simmons

Democratic Strategist & Political Commentator

Becky Anderson

CNN Anchor & Managing Editor; Host of "Connect the World"