Billy Tauzin

Former U.S. Congressman, Chairman of Energy and Commerce, PhRMA Director

Alexa Clay

Subculture Expert, Co-founder: League of Intrapreneurs, Author: The Misfit Economy

Dalia Mogahed

President and CEO, Mogahed Consulting, LLC; Author, "Who Speaks for Islam?"

David M. Kennedy

Pulitzer Prize-Winning Historian & Donald J. McLachlan Professor of History Emeritus at Stanford University

Dr. Afiya Fredericks

Associate Professor of Psychology at the University of the District of Columbia; Growth Mindset Expert

Alison Gopnik

Professor of Psychology & Philosophy, University of California at Berkeley; NYT Bestselling Author, "The Philosophical Baby"; Leading Authority on Children's Learning & Development

“When (and Why) Children are More Creative than Adults” | Alison Gopnik

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

Richard Wrangham

Primatologist, Harvard

A.C. Grayling

Best-Selling Author & Leading Commentator on Education, Philosophy, Corporate Ethics and Biomedicine

Sharon Gannon

Co-Founder, Jivamukti Yoga

Arthur Mutambara

Pres., Movement for Democratic Change (Zimbabwe)

Stephen Cave

Philosopher and Author of "Immortality: The Quest to Live Forever and How It Drives Civilization"

Robert Wright

Journalist, Scholar, and Prize-Winning Author of Best-Selling books about Science, Evolutionary Psychology, History, Religion, and Game Theory

Robert William Fischer PhD

Philosophy Professor at Texas State University

George Weigel

Distinguished Senior Fellow and William E. Simon Chair in Catholic Studies at Ethics & Public Policy Center

Faisal Saeed Al-Mutar

Founder, Global Secular Humanist Movement

Faisal Saeed Al Mutar - MobileCoin

Julian Baggini

Julian Baggini is the author of several books about philosophy written for a general audience. He is the author of The Pig that Wants to be Eaten and 99 other thought experiments and is co-founder and editor-in-chief of The Philosophers' Magazine.

Stephen Jay Greenblatt

Pulitzer Prize-Winning Author & Literary Historian; John Cogan University Professor of the Humanities at Harvard University

Pause for Art - Stephen Greenblatt

Norby Salonga

Award-Winning Educator, Development Practitioner & Social Innovator

Francis Tapon

Author, Harvard MBA, and World Traveler