Julie Guthman

Author & Professor of Social Sciences at the University of California, Santa Cruz

Sy Montgomery

Naturalist, Adventurer & Author of "The Good Good Pig" & "The Soul of an Octopus"

Secrets of the Octopus

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Gary Griggs

Distinguished Professor and Director, Institute of Marine Sciences, UC Santa Cruz

Hans-Peter Plag

World-Renowned Researcher in the Areas of Climate Change and Sea Level Rise

Jeanne Gang

President & Founder of Studio Gang Architects

Steve Winter

Wildlife Photojournalist

Laurence Kemball-Cook

Founder of Pavegen Systems, and has done 3 TED talks on renewable energy

Pamela Ronald

Scientist, Professor of Plant Pathology at the University of California - Davis; Expert in the Challenges of Farming

Shahram Chubin

Nonresident senior associate in the Carnegie Nuclear Policy Program. Based in Geneva, Chubin’s research focuses on nonproliferation, terrorism, and Middle East security issues.

Marc Scribner

Fellow in Land-use and Transportation Studies, Competitive Enterprise Issue

Iain Murray

Vice President for Strategy, Competitive Enterprise Issue

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Barbara Boxer

Former Democratic Senator of California

Shirley Ann Jackson

Theoretical Physicist & Inventor; President of the Rensselaer Polytechnic Institute; National Medal of Science Recipient

Joan Baez

Legendary Folk Musician & Human Rights Activist

Hunter Lovins

President of Natural Capitalism, Inc

Paul Dickinson

Sustainability Expert & Executive Chairman of The Carbon Disclosure Project

Joseph MacInnis

During the past 35 years, Dr. Joseph MacInnis has acquired an international reputation for his pioneering work in science, business and the environment.

Jane Fulton Suri

Managing Partner and Co-Chief Creative Officer, IDEO

Douglas Holt

Douglas Holt is L’Oréal Professor of Marketing at Oxford University

Mark Fulton

Global Head of Climate Change Investment Research, Deutsche Bank.

Roshi Joan Halifax

American Zen Buddhist Teacher

Harald Haas

Communications Technology Innovator & Chair of Mobile Communications at the University of Edinburgh

Jae Rhim Lee

Artist and TED Fellow Jae Rhim Lee Re-Imagines the Relationships Between the Body and the World

Taryn Simon

Photographer

Tim Jackson

Ecological Economist, Playwright & Director of the Centre for the Understanding of Sustainable Prosperity

M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Patrick Renvoise

International Neuromarketing Expert; C-Level Coach; Author of "Neuromarketing" & "The Persuasion Code"

Keynote Trailer on Neuromarketing by Patrick Renvoise