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12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Jack Andraka

Machine Learning Engineer at Stanford Vision and Learning, Cancer Researcher & National Geographic Emerging Explorer

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Grand Prize Winner of the First Google Global Science Fair & Cancer Researcher

David Williams

Professor of Public Health at Harvard University

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

Vilayanur Ramachandran

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

Josh Linkner

Serial Entrepreneur, New York Times Best-Selling Author & Venture Capital Investor

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

Ross Shafer

Six-Time Emmy Award-Winning Comedian, Business Researcher, TV Host & Bestselling Author

Shannon Miller

Olympic Gold Medalist, Health Advocate & Cancer Survivor

Connie Merritt

Relationship, Healthcare & Communication Expert

Joan Lunden

Award-Winning Journalist, Best-Selling Author, Health & Wellness Advocate

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Breast Cancer Survivor & Author of "Why I Wore Lipstick: To My Mastectomy"

Daniel Kraft, M.D.

Physician-Scientist; Founder of Exponential Medicine; Chair for Medicine & Neuroscience at Singularity University

Katty Kay

Award-Winning Journalist & Anchor; Best-Selling Author

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

Dan Harris

Award-Winning ABC News Anchor & #1 New York Times Best-Selling Author

Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor

Anthony Atala

Director, Wake Forest Institute for Regenerative Medicine

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Bestselling Author, Body Language Expert & Kidney Disease Survivor