Sonia Nazario

Pulitzer Prize-Winning Author & Journalist; Author of "Enrique’s Journey"

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Julia Bacha

Award-Winning Documentary Filmmaker, Creative Director at Just Vision

Jae Rhim Lee

Artist and TED Fellow Jae Rhim Lee Re-Imagines the Relationships Between the Body and the World

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Dalia Mogahed

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

Harald Haas

Communications Technology Innovator & Chair of Mobile Communications at the University of Edinburgh

Francis Tapon

Author, Harvard MBA, and World Traveler

Daniel Pipes

Foreign Policy Expert & President of The Middle East Forum

Amy Lockwood

Deputy Director of Stanford's Center for Innovation in Global Health

Sarah Culberson

Princess of Sierra Leone, Humanitarian, Educator & Author of "A Princess Found"; Keynote Speaker on Empowerment, Leadership, Diversity & Inclusion.

Princess Sarah Culberson: Speaking Reel

Isaiah Washington

NAACP Image and SAG Award Winning Actor and Activist, Best Known as "Dr. Burke" On "Grey's Anatomy"

Carl Hobert

Best-Selling Author & K-12 Educator

Richard Dowden

Director, Royal African Society

Richard Quest

Renowned CNN Business Correspondent

Jamal Simmons

Democratic Strategist & Political Commentator

Richard Wilkinson

Studied the Social Effects of Income Inequality and How Social Forces Affect Health

Lee Cronin

With his research group, Lee Cronin is investigating the emergence of complex self-organising chemical systems -- call it inorganic biology.

Azadeh Moaveni

Associate Professor, Writer, Journalist & Author

Woman. Life. Freedom. Iran's Feminist Movement

Bing West

Correspondent & Military Author

Aaron David Miller

Senior Fellow, Carnegie Endowment for International Peace

Mark Pagel

Professor and Head of the Evolutionary Biology Group at the University of Reading

Pavan Sukhdev

President, WWF International; Environmental Economist

David M. Kennedy

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

Aziz Abu Sarah

National Geographic Explorer, Cultural Educator & Peace Activist

John Dau

Sudanese Refugee & Activist

Robert Wright

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

Jay Kopelman

Business Advisor, Senior Healthcare Leader & Author

Dr. Carlos Munoz, Jr

Educator, Author & Activist