Susan Schneider

NASA-Baruch Blumberg Chair at the Library of Congress , Philosopher, Cognitive Scientist & Author of "Artificial You: AI and the Future of the Mind"

AI, Radical Brain Enhancement and the Nature of Consciousness

Pardis Sabeti

Infectious Disease Expert & Professor at Harvard University

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

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

Aubrey de Grey

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

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"

Noam Chomsky

Professor of Linguistics and Philosophy at MIT & Foreign Policy Author

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Graham Hill

Founder of Life Edited & TreeHugger.com

Lisa Witter

Partner and Chief Change Officer, Fenton

Interview Lisa Witter (English)

Sylvester James Gates, Jr.

Theoretical Physicist Known for Supersymmetry

David M. Rubenstein

Co-Founder & Co-CEO of The Carlyle Group

David Bellos

Translator