Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

Marty Makary, M.D.

Healthcare Futurist, Johns Hopkins Surgeon & Professor of Public Health; New York Times Bestselling Author

Blind Spots: When Medicine Gets It Wrong, and What It Means for Our Health

Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

David Nico

Well-Being Expert, Author of "Diet Diagnosis," Holistic Nutrition & Health Strategist

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades

Heather Gemmen Wilson

Pro-Life, Adoption, and Rape-Recovery Advocate

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

J.D. Kleinke

Medical Economist, Former Healthcare Executive & Author; Thought Leader and Pioneer in Healthcare Informatics

Kate Obenshain

Motivational Speaker, Author, Defender of Conservative Principals & Regular Guest on "Fox News"

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Everyday Cooking with Janet Fletcher, Jean-Marc Fullsack and Helen Roe

Rudolph E. Tanzi

Alzheimer's Disease Researcher; Professor of Neurology at Harvard Medical School & Expert on the Genetics of Neurological Disease

The Healing Self: A Revolutionary New Plan to Supercharge Your Immunity and Stay Well f...

Dr. Gregory Stock

Biotech Entrepreneur; Bestselling Author; CEO of Socratic Sciences; Founding Co-Director of Precision Wellness Center at Mt. Sinai Medical School

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

Lynsey Addario

Award-Winning Photojournalist; Contributor for National Geographic & Time Magazine

Of Love & War

Quint Studer

Workplace & Leadership Expert

Quint Studer: Creating a Culture of Replenishment

Christopher Gavigan

Founder & Chief Product Officer, The Honest Company

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist