Max Levchin

CEO, Affirm; Co-Founder of PayPal

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Antonio Damasio

Director of the Brain Institute

James McBride

New York Times Best-Selling Author & Musician

Arne Duncan

Managing Partner at Emerson Collective; Former U.S. Secretary of Education

Lance Armstrong

World Champion Cyclist, Olympian & Cancer Survivor

Thomas Keller

Chef, Cookbook Author & Proprietor of The French Laundry, Per Se, Bouchon, Bar Bouchon, Bouchon Bakery, and Ad Hoc

Adam Ostrow

Chief Digital Officer, TEGNA

Kenneth Feinberg

Founder and Managing Partner, Feinberg Rozen; Special Master for Executive Compensation, Obama Administration

Meghan McCain

Political Columnist, Author & Award-Winning Blogger

Masaharu Morimoto

Chef & Owner of Morimoto Management

Natasha Bedingfield

Singer and Songwriter; Best Known for "Unwritten" and "Pocketful of Sunshine"

Jay Adelson

Founder and CEO of SimpleGeo Inc. Former CEO of Digg Inc.

Carl Lewis

9-Time Olympic Gold Medalist in Track & Field; Founder of The Carl Lewis Foundation

Cesar Conde

Chairman of The NBCUniversal News Group

George J. Mitchell

U.S. Senator, 1980 - 1995 & Former Special Envoy for the Middle East

Joel Sartore

National Geographic Photographer & Author

Eldar Shafir

Professor Behavioral Science and Public Policy & Professor of Psychology and Public Affairs, Princeton University

Roland Fryer

Professor of Economics at Harvard University.

Roland Fryer on studying difficult questions with economics

Meredith Whitney

Founder & CEO of Meredith Whitney Advisory Group; Influential Financial Analyst Known as "The Oracle of Wall Street"

Meredith Whitney - Yahoo Finance