Robert Irwin

Wildlife & Nature Conservationist, Photographer, Author, and TV Personality; Son of Steve Irwin, Owner of Australia Zoo

Robert Irwin Reveals His Most Feared Animal! | The Cheap Seats

Shauna Shapiro Ph.D.

Best-Selling Author, Professor, Clinical Psychologist & Internationally Recognized Expert in Mindfulness & Self-Compassion

Good Morning, I Love You, Violet!

Michael Bodekaer

Technology Entrepreneur & Founder of Labster

Liz Bonnin

Award-Winning Science Expert & Broadcaster; Known for "Blue Planet Live" and "Drowning in Plastic"

Jonathan Haidt

Professor of Ethical Leadership at New York University, Stern School of Business; Author of NYT Bestseller "The Righteous Mind"

The Anxious Generation: How the Great Rewiring of Childhood Is Causing an Epidemic of M...

Melissa Chiu

Museum Director, Asia Society

Michael Archer

Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.

Ian Goldin

Director, Oxford University's 21st Century School, Visionary Economist and Former Vice President, The World Bank

Clifton Leaf

Former Editor-In-Chief of Fortune Magazine; Adjunct Professor of Journalism at Columbia University; Cancer Awareness Advocate

Dr. Nick "Ranger Nick" Fuhrman

Josiah Meigs Professor of Environmental Education & Nature TV Host

Ricky Gervais

Award-Winning English Comedian & Actor; Known for "The Office" and "Extras"

Aubrey de Grey

Biomedical Gerontologist; Chief Science Officer of SENS Research Foundation; Researcher on Preventing Aging

Dr. Lloyd Minor

Scientist, Surgeon & Academic Leader & Dean of the Stanford University School of Medicine

Discovering Precision Health: Predict, Prevent, and Cure to Advance Health and Well-Being

Peter Gleick

Co-founder & President of the Pacific Institute for Studies in Development, Environment & Security

The Three Ages of Water

Judy Faulkner

Founder & CEO of Epic Systems

Data Mining in Epic with Judy Faulkner - Sanford Stem Cell ...

Shirley Tilghman

Molecular Biologist; Pres., Princeton University

Josh Lieb

Executive Producer, "The Daily Show"

Katherine Kuchenbecker

Assistant Professor in the Mechanical Engineering and Applied Mechanics Department, with membership in the Bioengineering Graduate Group at the University of Pennsylvania.

Ling Wong

Technology Investor & Entrepreneur; Senior Program Officer; Bill and Melinda Gates Foundation

Jerry R. Green

David A. Wells Professor of Political Economy; John Leverett Professor in the University