Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Stephen Lewis

Celebrated Humanitarian and Former UN Special Envoy for HIV/AIDS in Africa

Rishi Manchanda

Physician, Public Health Innovator, President & CEO of HealthBegins

Vilayanur Ramachandran

Neuroscientist; Director of the Center for Brain & Cognition, University of California, San Diego

Lou Waters

Aging Expert, Journalist & Former CNN Media Personality; Anchor of "Coming of Age"

Where Are They Now: Lou Waters

Gail Wilensky

Economist, Healthcare Policy Reform Expert & Senior Fellow at Project Hope

Jeff Arnold

CEO & Chairman of Sharecare; Former CEO of Howstuffworks and WebMD Corporation

Dr. Max Rogers

Former Fighter Pilot, Healthcare Consultant