Steven Levitt

Economist, NY Times Bestselling Author of "Freakonomics," "SuperFreakonomics" & "Think Like a Freak"

Michael Milken

Financier, Philanthropist & Chairman of the Milken Institute

Michael Milken: We're seeing people at the 'bottom of the pyramid ...

Jonathan Bush

Technology Entrepreneur; Co-Founder & Former CEO of athenahealth

Warren Buffett

Business Mogul & Investor; CEO of Berkshire Hathaway

Richard Thaler

Professor of Behavioral Science and Economics at the University of Chicago; Author of "Misbehaving: The Making of Behavioral Economics"

Richard Thaler: 'We Are Incapable of Learning From the Past ...

David T. Feinberg

Chairman of Oracle Health

Todd Park

Co-founder and Executive Chairman, Co-founder of Athenahealth and Castlight Health; former U.S. Chief Technology Officer

Norman Doidge

Psychiatrist & Author of "The Brain's Way of Healing"