Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Leonard Mlodinow

Theoretical Physicist, Author, Recognized for Groundbreaking Discoveries in Physics

Costas Markides

Business & Strategy Expert

Robin Wright

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

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Richard Wolffe

Digital Executive, Best-Selling Author & Columnist at The Guardian

President's Speaker Series - YouTube

Raj Patel

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

Hamish McRae

One of the Leading Speakers in Europe on Future Trends and the Outlook for the Global Economy

Laura Liswood

Secretary General, Council of Women World Leaders; Senior Advisor, Goldman Sachs

Lawrence Krauss

Theoretical Physicist, Author & Professor

Kevin Kelly

Founder & Executive Editor of Wired Magazine, Author of "The Inevitable: Understanding the 12 Technological Forces That Will Shape Our Future"

Mark Zandi

Chief Economist of Moody's Analytics; Co-Founder of Economy.com

Kathy LeMay

Founder, President & CEO of Raising Change

Beth Simone Noveck

Founder & Director of The Governance Lab; Professor & Author of "Solving Public Problems"

Kenneth Roth

Executive Director at Human Rights Watch

John Prendergast

Human Rights Advocate and Author of Unlikely Brothers

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Dr. Samantha Nutt

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

David Remnick

Editor, The New Yorker

Dan Charles

NPR's Food and Agriculture Correspondent

David Ulrich

Human Resource & Leadership Expert

Drew Gilpin Faust

President of Harvard University

Jack Perkowski

Managing Partner, JFP Holdings Ltd., Founder, ASIMCO Technologies and Author, Managing the Dragon

Mariane Pearl

Widow of Journalist Daniel Pearl

David Goodman

New York Times Best-Selling Author & Journalist

Eric Cantor

Vice Chair & Managing Director of Moelis & Company; Former House Majority Leader

Rose Mapendo

Humanitarian / Activist / Congolese Genocide Survivor

Immaculée Ilibagiza

Author, "Left to Tell: Discovering God Amidst the Rwandan Holocaust"

Don Reynolds

Real World Economist

Andrew N. Liveris

Former Chairman & CEO of The Dow Chemical Company