Andie MacDowell

Film Actress

Patrick Kennedy

Former Congressman (D-RI); Founder of The Kennedy Forum; Co-Founder of One Mind

Profiles in Mental Health Courage

Julianne Malveaux

Economist, Author & Political Commentator; President Emerita of Bennett College for Women

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Kay Warren

Christian Author

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute

David Williams

Professor of Public Health at Harvard University

Anna Escobedo Cabral

Former Treasurer of the United States, Partner at The Cabral Group & Jesse Ball duPont Fund Trustee

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

James E. Cartwright

Harold Brown Chair in Defense Policy Studies, Center for Strategic and International Studies

Ed Rendell

Former Governor of Pennsylvania; NBC News Political Analyst & Author

Victor W. Hwang

VP of Entrepreneurship at Kauffman Foundation; Co-author of "The Rainforest: The Secret to Building the Next Silicon Valley"

Rob Waldo Waldman

Decorated Fighter Pilot; Power of Relationships & Trust Advocate

Rick Santorum

Former Member of the U.S. Senate

Trish Regan

Investigative Journalist, Host of "Trish Regan Primetime"

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

William Binney

Former NSA Crypto-Mathematician; Whistleblower

Abhi Nemani

Former Chief Data Officer for the City of Los Angeles, Co-founder of Ethos Labs, Technological Optimist & Political Philosophy Nerd

Katty Kay

Award-Winning Journalist & Anchor; Best-Selling Author

Ben Stein

Political Economist, Commentator, Author & Actor

Rick Santelli

CNBC On-Air Editor

Ramona Pierson

Former Managing Director, Head of Product and Innovation at PwC

George Ayittey

Economist, Authority on the development of Africa, Author

Robert Putnam

Professor of Public Policy, Harvard Kennedy School of Government; Author of "Our Kids"

Wendy Davis

Lawyer & Democratic Politician; Founder of Deeds Not Words

Anthony Atala

Director, Wake Forest Institute for Regenerative Medicine

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Ian Morrison

Healthcare Futurist and Author

Uri Dadush

Senior Associate and Director, Carnegie's International Economics Program

Todd Purdum

Senior writer at POLITICO and a contributing editor at Vanity Fair