Brad Stine

Clean & Conservative Comedian Dubbed "God's Comic" By The New Yorker

ShaoLan Hsueh

Previous Tech Writer, Investor and Entrepreneur; Founder of Chineasy; Author of Four Best-Selling Books on Software

Samuel Arbesman

Author of "The Half-Life Of Facts: Why Everything We Know Has an Expiration Date"

Sima Bahous

Executive Director of UN Women

Sima Bahous, Executive Director, UN Women - 5th Capital-Level Meeting,

Samantha Power

Former United States Ambassador to the United Nations, Pulitzer Prize-Winning Author & Harvard Professor

Jimmy Wayne

Country Music Artist, NY Times Best Selling Author & Founder of Meet Me Halfway Campaign

Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Kim Ng

Former General Manager of the Miami Marlins; MLB's First Female GM; Former VP of Baseball Operations for Major League Baseball

Gavin Andresen

Chief Scientist at the Bitcoin Foundation

Mehdi Hasan

Award-Winning British Journalist, Broadcaster, Author & Political Commentator

Katherine Mansted

Executive Director of Cyber Intelligence at CyberCX; Senior Fellow in the Practice of National Security at the ANU National Security College

How cyber-crime has become organised warfare | Four Corners

Dr. John Graham-Cumming

Chief Technical Officer, CloudFlare

Amir Taaki

Cofounder, Dark Wallet

Scott Simon

NPR "Weekend Edition" Host

Windy City

Raghuram Rajan

Professor of Finance at The University of Chicago & Author

Joshua Douglas

American Legal Scholar, University of Kentucky College of Law Professor & Author of "Vote for US"

The Court v. The Voters: The Troubling Story of How the Supreme Court Has Undermined Vo...

T.I.

Grammy Award-Winning Rapper & Record Producer

Dennis Campbell

Educational Leader & CEO & Head of School at Kingsbury Center

Newt Gingrich

Former Speaker of the House of Representatives; New York Times Best-Selling Author & Co-Host for "Crossfire"

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate