April Ryan

White House Correspondent, MSNBC Political Analyst, D.C. Bureau Chief for TheGrio & Author

Tim Grover

CEO of Attack Athletics, Best-selling Author of "Relentless" and "Jump Attack"

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Geena Rocero

Transgender Model & Advocate; Founder of Gender Proud

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Beverly Tatum

Best-Selling Author, Higher Education Leadership & Race Relations Expert, President Emerita of Spelman College

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Janet Mock

Author, Feminist, Transgender Rights Activist, TV Host & Founder of #GirlsLikeUs

Victor W. Hwang

VP of Entrepreneurship at Kauffman Foundation; Co-author of "The Rainforest: The Secret to Building the Next Silicon Valley"

Shiza Shahid

Entrepreneur, Technologist, Investor, Impact Leader & Co-Founder of the Malala Fund and Our Place

Reshma Saujani

Lawyer, Politician, Founder of Girls Who Code & Marshall Plan for Moms

Phil Donahue

Creator and Host of "Donahue," the Long-Running Talk Show

David McCandless

Author of "Information Is Beautiful" & Infographics Expert

Michael Eric Dyson

MSNBC Political Analyst, Former Host of NPR's "The Michael Eric Dyson Show" & Best-Selling Author

Lauren Cohan

Actress; Best Known as Maggie Greene on "The Walking Dead"

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Don Lemon

Emmy Award-Winning News Anchor & Journalist, Author of "This Is The Fire"

Don Lemon To Launch New Show On X

Nev Schulman

Producer, Actor, Photographer & TV Host Known for MTV's "Catfish: The TV Show"

David Williams

Professor of Public Health at Harvard University

Jeremy Heimans

Co-Founder & Chairman of Purpose; Best-Selling Author; Lifelong Activist & World-Renowned Expert on Building Social Movements

Mahzarin R. Banaji

Psychologist at Harvard University Known for Popularizing the Concept of Implicit Bias

Amy Cuddy

Social Psychologist, Bestselling Author & Award-Winning Harvard Lecturer