Michael Novak

Fellow, American Enterprise Institute

Ernst Weizsäcker

Co-chair, U.N. International Panel for Sustainable Resource Management

William Easterly

Professor of Economics at New York University; Co-Director, Development Research Institute

Pardis Sabeti

Infectious Disease Expert & Professor at Harvard University

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Blake Mycoskie

Founder of TOMS, Social Entrepreneur & Author of NY Times Bestseller "Start Something That Matters"

Marcus Hutter

Senior Research Scientist, DeepMind at Google; Professor at Australian National University

General Wesley Clark

Retired Four-Star Army General & Former NATO Supreme Allied Commander

Zoltan Istvan

World's Leading Transhumanist, Expert on the Future

Vali Nasr

Professor of International Affairs & Middle East Studies at Johns Hopkins University

Islamic Leviathan: Islam and the Making of State Power (Religion and Global Politics)

Daniel Dennett

Professor of Philosophy at Tufts University

Ricky Gervais

Award-Winning English Comedian & Actor; Known for "The Office" and "Extras"

Aubrey de Grey

Biomedical Gerontologist; Chief Science Officer of SENS Research Foundation; Researcher on Preventing Aging

Norby Salonga

Multi-Awarded Filipino Youth Leader, Development Practitioner, Researcher, Writer & Social Entrepreneur

Rainn Wilson

Actor Known for "The Office" & Creator of SoulPancake

Soul Boom: Why We Need a Spiritual Revolution

Gerald Chertavian

Founder & CEO, Year Up

Eric Foner

Prominent Historian & Professor Emeritus of History at Columbia University

Kenneth Roth

Executive Director at Human Rights Watch

Amy Gutmann

United States Ambassador to Germany; Former President of UPenn

Lisa Randall

Award-Winning Physicist & Author

Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe

Randy Cohen

Writer, Known for "The Ethicist"

Anne Wojcicki

Co-Founder & CEO of 23andMe

Tarek Rabah

President and Chief Executive Officer of Otsuka North America Pharmaceutical Business

Noam Chomsky

Professor of Linguistics and Philosophy at MIT & Foreign Policy Author

Professor Richard Dawkins

Evolutionary Biologist & Best-Selling Author

Richard Dawkins & Lawrence Krauss ...

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

Graham Hill

Founder of Life Edited & TreeHugger.com

Stewart Butterfield

Co-Founder & Former CEO of Slack; Co-Founder of Flickr; Entrepreneur & Technologist

Edward Norton

Award Winning Actor & Filmmaker

Lisa Witter

Partner and Chief Change Officer, Fenton

Interview Lisa Witter (English)