An Phung

Multimedia Journalist

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

David Remnick

Editor, The New Yorker

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Reihan Salam

President of the Manhattan Group for Policy Research; Former Executive Editor of National Review

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Tim O'Brien

Pulitzer Prize Winning Novelist for "The Things They Carried"

Peter Rojas

Co-founder of Gizmodo and of Engadget

Matthew Modine

Actor / Activist

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Eric Greitens

Missouri Governor; Former Navy SEAL and Founder of The Mission Continues; Best-Selling Author of "Strength and Compassion and The Heart and the Fist"

Kenneth Roth

Executive Director at Human Rights Watch

Virginia Postrel

Author & Columnist; Writes on The Intersection of Commerce & Culture

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

David Bellos

Translator

Ingrid Newkirk

President, PETA

Tommy Thompson

Secretary of Health and Human Services (2001-2005)

Andrew Cohen

Founder, EnlightenNext

Timothy Patrick McCarthy

Award-Winning Scholar, Educator & Human Rights Activist; Faculty Member at Harvard University's Graduate School of Education and John F. Kennedy School of Government

Reckoning with History: Unfinished Stories of American Freedom

Rob Huebel

Actor, Comedian & Writer; Known for his Role in "Children's Hospital" and "Transparent"

Lisa Witter

Partner and Chief Change Officer, Fenton

Interview Lisa Witter (English)

Stephen Walt

Robert and Renee Belfer Professor of International Affairs at Harvard University

Stephen M. Walt | Realism & Balance of Threat | GREAT MINDS

Ira Byock

Dartmouth-Hitchcock Medical Center

Nell Irvin Painter

Award-winning scholar and writer

James Barksdale

Former CEO of Netscape

Eric Foner

Prominent Historian & Professor Emeritus of History at Columbia University