Tal Ben-Shahar

Author, Positive Psychology Expert, Happiness Studies Pioneer

Short Cuts to Happiness: Life-Changing Lessons from My Barber

Eric Foner

Prominent Historian & Professor Emeritus of History at Columbia University

Jon Meacham

Pulitzer Prize-Winning Historian & Author

Timothy Patrick McCarthy

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

General Wesley Clark

Retired Four-Star General, Former NATO Supreme Allied Commander, Best-Selling Author

Raj Patel

Award-Winning Author, Filmmaker, Research Professor

Kenneth Roth

Executive Director at Human Rights Watch

Dr. Shefali Tsabary

Psychologist, Conscious Parenting & Mindful Living Leader; Author of "The Parenting Map"

The Parenting Map: Step-by-Step Solutions to Consciously Create the Ultimate Parent-Chi...

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Tim O'Brien

Pulitzer Prize Winning Novelist for "The Things They Carried"

Spencer Wells

Geneticist, Anthropologist, Author, CEO of Insitome

Lisa Witter

CEO of Apolitical Foundation, Co-founder of Apolitical, Behavioral Science Expert

Lionel Barber

Former Editor of Financial Times, Author, Award-Winning Journalist

Lionel Barber: Quality journalism in the age of fragmentation

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Amy Gutmann

United States Ambassador to Germany; Former President of UPenn

Calvin Trillin

Author, The New Yorker Staff Writer, Food Critic

Stephen Walt

Robert and Renee Belfer Professor of International Affairs at Harvard University

Shashi Tharoor

Indian Politician, Former UN Diplomat, Author

Joel Klein

CEO of Amplify, Former NYC Education Chancellor, Antitrust Attorney

Craig Newmark

Founder of Craigslist, Innovator in E-Commerce, Philanthropist