Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

Oprah Winfrey: Broken Open | Oprah's Super Soul | OWN Podcasts ...

Edward Norton

Award Winning Actor & Filmmaker

Bono

Lead Singer of U2, Activist & Co-Founder of DATA (Debt, AIDS, Trade, Africa)

Joseph Lubin

Founder & CEO of ConsenSys, Co-Founder of Ethereum

Venus Williams

Professional Tennis Player, Four-Time Olympic Gold Medalist, Equal Pay Activist, Author & Entrepreneur

Richard Thaler

Professor of Behavioral Science and Economics at the University of Chicago; Author of "Misbehaving: The Making of Behavioral Economics"

Richard Thaler: 'We Are Incapable of Learning From the Past ...

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

Phil Libin

Former CEO of Evernote; Currently Executive Chairman

Morgan DeBaun

Founder & CEO of Blavity Inc.

Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

Medgar and Myrlie: Medgar Evers and the Love Story that Awakened America

Jimmy Wales

Founder of Wikipedia & Wikitribune

Tim Berners-Lee

Inventor of the World Wide Web; Engineer & Computer Scientist

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Craig Venter

Founder & CEO of Synthetic Genomics Inc.

Mike Murphy

Communications Strategist, Pundit, Writer & Producer; Host of "Hacks on Tap" Podcast; NBC News Analyst

Emily Oster

Professor of Economics at Brown University; Author on Personal Finance & Family Planning

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Stacey Abrams

Political Leader, Voting Rights Activist & New York Times Bestselling Author

Howard Dean

Former Governor of Vermont & Founder of Democracy for America