Sampson Davis, M.D.

E.R. Physician, Inspirational Speaker, Bestselling Author & TV Personality

John Hockenberry

Journalist and Commentator; Author, "Moving Violations: War Zones, Wheelchairs and Declarations of Independence"

Joy Bauer

Nutrition and Health Expert on NBC's "Today Show" & Founder of Nourish Snacks

Linda Ellerbee

Award-Winning Journalist & Television Producer; Breast Cancer Survivor

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Dr. Susan Blumenthal

Former US Assistant Surgeon General & Rear Admiral

A.J. Jacobs

Best-Selling Author & "Human Guinea Pig"

The Year of Living Constitutionally: One Man's Humble Quest to Follow the Constitution'...

Kat Carney

Former Health News Anchor, CNN Headline News

Robert Bazell

Former Chief Science and Medical Correspondent, NBC News

Rev. James Forbes

Charismatic and Radically Progressive Spiritual Leader; Known as "The Preacher's Preacher"

Peter Orszag

Economist, Vice Chairman of Corporate and Investment Banking at Citigroup, Inc. & Former Director of the Office of Management and Budget in the Obama Administration

Ann Curry

Anchor of "Chasing the Cure;" Former NBC Today Anchor, National & International Correspondent; Former Dateline Anchor

Sean Carroll

Award-Winning Scientist, Author, Educator, and Film Producer

Larry Fink

Chairman and Chief Executive Officer, BlackRock

Kay Redfield Jamison

International Authority & Researcher On Mental Illness

David Ho

Scientific Director & CEO, Aaron Diamond AIDS Research Center

James Gilligan

Psychiatrist & Expert on Violence

Howard M. Guttman

Howard M. Guttman is the principal of Guttman Development Strategies, Inc., a management consulting firm specializing in executive development, management development, and organization development.

Ryan Reynolds

Producer, Screenwriter, Actor & Entrepreneur; Co-Owner of Welsh Football Club Wrexham A.F.C.

Brandon Webb

Author and Former U.S. Navy SEAL with Past Combat Deployments to Iraq