Spencer Wells

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

Nicholas Christakis

Sol Goldman Family Professor of Social & Natural Science; Director of the Human Nature Lab; Co-Director of the Yale Institute for Network Science

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Aubrey de Grey

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

Nelson George

Author / Filmmaker

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Josh Lieb

Executive Producer, "The Daily Show"

David Hauslaib

Editor, Jossip

David Life

Yoga Master; Co-Founder, Jivamukti Yoga

Satoshi Kanazawa

Evolutionary Psychologist and Intelligence Researcher, London School of Economics and Political Science

Brian Hoffstein

Contributing Writer

Jeffrey Israel

Author & Jewish Studies Professor at Williams College

Jason Kottke

Designer of Silkscreen Typeface, Lifetime Achievement Award Blogger

Sam Harris

Neuroscientist, Philosopher & Bestselling Author

Francis Tapon

Author, Harvard MBA, and World Traveler

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Raj Patel

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

Professor Richard Dawkins

Evolutionary Biologist & Best-Selling Author

Richard Dawkins & Lawrence Krauss ...

Jimmy Wales

Founder of Wikipedia & Wikitribune

Graham Hill

Founder of Life Edited & TreeHugger.com

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

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...

Michael Gazzaniga

President of the Cognitive Neuroscientist Institute & Author of "Tales from Both Sides of the Brain: A Life in Neuroscience"

Tales from Both Sides of the Brain: A Life in Neuroscience

Sir Richard Branson

Businessman & Founder of Virgin Group