Alison Gopnik

Professor & World Leader in Children's Learning and Development

Elyn Saks

Author of "The Center Cannot Hold;" Associate Dean of Law, Psychology & Behavioral Sciences at USC Law

Lesra Martin

Attorney / Literacy Advocate

Julia Bacha

Award-Winning Documentary Filmmaker, Creative Director at Just Vision

Amartya Sen

Professor of Economics and Philosophy at Harvard University

Richard Wilkinson

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

Jeremy Gilley

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

Jeffrey Rosen

President & CEO of the National Constitution Center & Contributing Editor of The Atlantic

Mark Pagel

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

Carissa Phelps

Social Entrepreneur, Advocate & Author of "Runaway Girl: Escaping Life on the Streets, One Helping Hand at a Time"

Amy Lockwood

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

Dr. William Chang

Dr. William Chang is the Chief Scientist at Baidu, Inc. and has served as Chief Scientist since January 2007.

Laura Caldwell

Former Civil Trial Lawyer; Founder of Life After Innocence; Law Professor at Loyola University Chicago; Author

Christopher C. Horner

Former Senior Fellow at the Competitive Enterprise Institute, Attorney & Climate Change Denial Activist

Judge Cristina Perez

Lawyer, Judge "Cristina’s Court," Community Activist

Sanford Levinson

W. St. John Garwood and W. St. John Garwood, Jr. Centennial Chair Professor of Government, The University of Texas School of Law

Roger Pilon

Vice President for Legal Affairs for the CATO Institute & Director of the Center for Constitutional Studies

John Anderson

Caregiver Advocate and Author of "Stand by Her: A Breast Cancer Guide for Men"

Ronald K.L. Collins

Harold S. Shefelman Scholar at the University of Washington School of Law

Gene Healy

Vice President, CATO Institute

Paul Lisnek

Award-Winning Television Host & Analyst

Elaine Hall

Autism Advocate & Founder of The Miracle Project

Robert Barnett

Partner, Williams and Connolly LLP

Kay Coles James

Conservative Christian and Republican with Broad Public Experience

Jae Rhim Lee

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

Pavan Sukhdev

President, WWF International; Environmental Economist

Kim Gorgens

Neuropsychologist; Professor at University of Denver

Laura Lawless Robertson

Former Miss Arizona, Attorney & Speaker on Mental Health

Darren Walker

President of the Ford Foundation; Chair of the US Alliance on Impact Investing

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Liz Seccuro

Victims' Rights Activist & Author