An Phung

Multimedia Journalist

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Colonel Mike Mullane

Career Astronaut & Author; Member of International Space Hall of Fame

Marty Makary, M.D.

Healthcare Futurist, Johns Hopkins Surgeon & Professor of Public Health

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Jeffrey Garten

Professor, Yale School of Management and Expert on Global Business Strategy

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Lynn Sherr

Award-winning Broadcaster & Best-selling Author; Correspondent 20/20

Tiffany Shlain

Founder of The Webby Awards; Emmy-Nominated Filmmaker, Bestselling Author, Internet Pioneer & Futurist

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Pat Mitchell

Editorial Director & Host of TEDWomen; Co-Chair of the Women's Media Center; Former President of CNN Productions & PBS

Jackson Katz

World-Leading Educator on Gender and Violence, Author & TEDx Speaker

Man Enough?: Donald Trump, Hillary Clinton, and the Politics of Presidential Masculinity

Dr. Samantha Nutt

Medical Doctor, Award-Winning Humanitarian, Bestselling Author & Founder of War Child USA

George P. Bush

Politician & Land Commissioner of Texas

Michelle Bernard

Political Analyst, MSNBC and Founder, The Bernard Center for Women, Politics & Public Policy

Dr. Marc Lamont Hill

Presidential Professor at CUNY Graduate Center, BET News Correspondent, Human Rights Activist & Author

Laura Fitton

Founder & Climate Economy Evangelist at Enough.co; HubSpot, Founder of oneforty.com; co-author Twitter for Dummies

Kurt Andersen

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

Tom A. Scully

Senior Counsel at Alston & Bird LLP; Former Administrator of the Centers for Medicare and Medicaid Services (CMS)

Pattie Sellers

Chair of Fortune's Most Powerful Women & Award-Winning Multimedia Journalist; Co-Founder & CEO at SellersEaston Media

Viktor Mayer-Schönberger

Co-Author of “Big Data" and "Delete;" Expert on the Networked Economy

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

Stacey Bess

Award-Winning Educator; Keynote Speaker; Advocate for Homeless Youth

Melody Barnes

Executive Director Karsh Institute of Democracy at UVA, Professor at the Miller Center & Former Director of the White House Domestic Policy Council

Robin Wright

Foreign Policy Analyst, Journalist & Author of "Rock the Casbah: Rage and Rebellion across the Islamic World"