Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Josette Sheeran

President and CEO of the Asia Society; Former Vice Chairman of the World Economic Forum.

Geoffrey West

Theoretical Physicist, Distinguished Professor & Past President of Santa Fe Institute

Mike Biddle

Co-founder, MBA Polymers

Anna Dietrich

‎Entrepreneur; Consultant; Speaker; COO & Co-Founder of Terrafugia, Inc.

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Amy Lockwood

Deputy Director of Stanford's Center for Innovation in Global Health

Monika Bulaj

Monika Bulaj’s stunning, painting-like photographs blur religious and cultural divisions, exploding stereotypes. She is a TED Fellow.

Ron Pernick

Co-Founder & Managing Director of Clean Edge, Inc.

Behnam Tabrizi

Consulting Professor at Stanford University's Department of Management Science and Engineering; Author of "The Inside-Out Effect"

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Ambri: A Battery that Could Change the World

Rory Stewart

Foreign Affairs & Human Rights Expert

Graham Hill

Founder of Life Edited & TreeHugger.com

Andrew Winston

Sustainability Expert; Author of "Green to Gold" & Co-author of “Net Positive"

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Alex Steffen

Author of "Carbon Zero: Imagining Cities That Can Save the Planet"

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Michael Rogers

MSNBC's 'The Practical Futurist' & Technology Expert

Neal Petersen

History-Making Extreme Adventurer, Award-Winning Author & Global Investor

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Aubrey de Grey

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

Ian Goldin

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

Peter Gleick

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

The Three Ages of Water

Richard Florida

Leading Urbanist, Economist & Author of "The Rise of the Creative Class"

The Great Reset: How the Post-Crash Economy Will Change the Way We Live and Work

Doug Fine

Globe-Trotting Journalist, Award-Winning Climate Correspondent, Goat-Herder & Author

Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Paul Collier

Director, Centre of the Study of African Economies, Oxford University