Tim O'Brien

Pulitzer Prize Winning Novelist for "The Things They Carried"

Spencer Wells

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

Joel Klein

Lawyer, Author & Former Chancellor of the New York City Department of Education

How Education Will Save America: Joel Klein

Shefali Tsabary

International Speaker on Conscious Parenting and Mindful Living

Graham Hill

Founder of Life Edited & TreeHugger.com

Anthony Fauci

Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health

Anthony Fauci: Harvard Global Health Institute, Outbreak Week

Eric Foner

Historian, Columbia University

Lisa Witter

Partner and Chief Change Officer, Fenton

Rob Huebel

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

Adam Bly

Ex-VP of Data at Spotify; Founder of Seed; Founder of an AI startup, Stealth

Virginia Postrel

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

Rebecca MacKinnon

Director, Ranking Digital Rights, New America

Yann Martel

Novelist, Author of "Life of Pi"

Peter Rojas

Co-founder of Gizmodo and of Engadget

Kenneth Roth

Executive Director, Human Rights Watch

Kenneth Roth: Human Rights: Still a Reason for Hope?

Zac Posen

Fashion Designer

Jim Wallis

Christian Writer and Political Activist

Scott Conant

Celebrity Chef, Judge on Food Network's Chopped, Author, Bold Italian

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Calvin Trillin: 2016 National Book Festival - YouTube

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"

Amy Gutmann

President, UPenn; Political Theorist

Conversation with President Amy Gutmann

An Phung

Multimedia Journalist

General Wesley Clark

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

David Remnick

Editor, The New Yorker

Melissa Harris-Lacewell

Professor, Princeton University

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Shashi Tharoor Speech at the 84th Congress Plenary Session 2018

Nell Irvin Painter

Award-winning scholar and writer

Jonathan Sacks (Rabbi Lord)

Chief Rabbi of the United Kingdom

Tim McCarthy

Director, Human Rights and Social Movements Program, Harvard University

Stephen Walt

Prof. of Intl. Affairs, Harvard University