Jean-Pierre Rosso

Chairman, World Economic Forum US

Charles Ebinger

Director of the Energy Security Initiative at the Brookings Institution

Saul Levmore

William B. Graham Distinguished Professor of Law at The University of Chicago

Harvey Mansfield

Political Philosopher, Author & Distinguished Professor

Michael Walzer

Professor Emeritus, The Institute for Advanced Study

George Rupp

President & CEO, International Rescue Committee

Richard Dowden

Director, Royal African Society

Brian Hoffstein

Contributing Writer

Cody Adams

Managing Editor of The Floating University.

Daniel Altman

Sports Analytics & Strategy Expert

Seth Berkley

Global Health Expert and Epidemiologist; Senior Advisor to Brown University Pandemic Center

Seth Berkley - 3ie Evidence Dialogues Interview Series

Pastor Rick Warren

Pastor & Author of "The Purpose-Driven Life"

Irwin Kula

Irwin does challenge the status quo in the American spiritual landscape.

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Jimmy Wales

Founder of Wikipedia & Wikitribune

Moby

Musician, DJ, Photographer

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Kurt Andersen

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

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Matt Miller

Fortune Columnist, Author & Radio Host

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Jimmy Carter

Former United States President (1977-1981), Author

Jagdish N. Bhagwati

International Trade Theorist

Ronen Bergman

Investigative Journalist

Micah Sifry

Co-founder & Editor, Personal Democracy Forum; Co-founder & Executive Director of Civic Hall

Fredrik Carlström

CEO, Great Works America

Tom Freston

Principal, Firefly3; Former CEO, Viacom Inc.