Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Jeffrey Kluger

Journalist; Editor and Writer at TIME MAGAZINE. Author of 8 books, including APOLLO 13.

Andrew Busch

Artificial Intelligence & Technology Futurist; Economist; First Chief Market Intelligence Officer for the US Government

AM2024: Growth Opportunities in a Period of Change

Raj Patel

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

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Ingrid Newkirk

President, PETA

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

Medgar and Myrlie: Medgar Evers and the Love Story that Awakened America

Lynsey Addario

American Photojournalist; Contributor for National Geographic & Time Magazine

Jeffrey Garten

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

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Kenneth Roth

Executive Director at Human Rights Watch

An Phung

Multimedia Journalist

Brian Hoffstein

Contributing Writer

Cody Adams

Managing Editor of The Floating University.

Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

Tina Seelig

Executive Director of the Stanford University Technology Ventures Program

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

John Zogby

Trendspotter & Leading Pollster

Spencer Wells

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

Tiffany Shlain

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

James Woolsey

Former Director of the C.I.A.

Graham Hill

Founder of Life Edited & TreeHugger.com

Laura Fitton

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

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Jeffrey Toobin

Former CNN Senior Analyst & Best-Selling Author

Nadine Strossen

Professor of Law; President, American Civil Liberties Union (1991-2008)