Dan Charles

NPR's Food and Agriculture Correspondent

Rose Mapendo

Humanitarian / Activist / Congolese Genocide Survivor

Kelly McGillis

Actress Known for "Top Gun"

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Kathy LeMay

Founder, President & CEO of Raising Change

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Leonard Mlodinow

Theoretical Physicist, Author, Recognized for Groundbreaking Discoveries in Physics

Eric Cantor

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

Kenneth Roth

Executive Director at Human Rights Watch

Rye Barcott

Co-Founder & CEO of With Honor, Veteran and Author of "It Happened on the Way to War"

Costas Markides

Business & Strategy Expert

Robin Wright

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

Somaly Mam

Survivor & Anti-Sex Slavery Activist

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Dr. Samantha Nutt

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

Beth Simone Noveck

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

Drew Gilpin Faust

President of Harvard University

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

John Evans

Strategist, Dynamic Speaker, Popular Author & Business Trainer/Consultant

David Remnick

Editor, The New Yorker

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

Mark Zandi

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

Immaculée Ilibagiza

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

David Goodman

New York Times Best-Selling Author & Journalist

David Ulrich

Human Resource & Leadership Expert

David L. Smith

Economist, Futurist & Market Strategist with a Global Perspective

Larraine Segil

Global Business Consultant

James Rubin

Special Envoy and Coordinator for the U.S. Department of State’s Global Engagement Center, Served as U.S. Assistant Secretary of State for Public Affairs in the Clinton Administration from 1997–2000

Don Reynolds

Real World Economist