Barbara Boxer

Former Democratic Senator of California

Michael Shellenberger

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

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Shirley Ann Jackson

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

Jennifer Pharr Davis

Long-Distance Hiker & Author; Overall Record Holder on the Appalachian Trail & The First Woman to Set That Mark

Outdoor School: Hiking and Camping: The Definitive Interactive Nature Guide

Sarah Kauss

Founder of S'well, Advisor, Investor & Advocate

Jae Rhim Lee

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

Jeremy Gilley

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

Patrick Renvoise

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

Keynote Trailer on Neuromarketing by Patrick Renvoise

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Jake Norton

World-Renowned Climber, Photographer & Humanitarian

Mark Tercek

Former President & CEO of The Nature Conservancy

Harald Haas

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

Annabelle Gurwitch

Actress & Humorist

Jonathan Trent

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

Adam Ostrow

Chief Digital Officer, TEGNA

Ellen MacArthur

Former Long-Distance Yachtswoman & Founder of the Ellen MacArthur Foundation

Tim Jackson

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

Marc Freedman

Founder & CEO of Encore.org; World Economic Forum Social Entrepreneur of the Year

Rick Tumlinson

One of the World's Top Space Visionaries; Founder of the Commercial Space Movement; Founding Trustee of the XPrize

JT O'Donnell

Founder & CEO of Work It Daily; HR & Recruiting Expert, Executive Coach

Khalida Brohi

Indigenous Entrepreneur, Author, Storyteller & Women's Empowerment Speaker

Amy Lockwood

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

Laurie David

Producer, Activist Author,The Family Dinner: Great Ways To Connect With Your Kids One Meal At A Time

Gerry Adams

President, Sinn Fein

Emmanuelle Chriqui

Actress Known for "Entourage;" Social Advocate for Colon Cancer, Environmental Issues & Human Rights in Congo

Calvin Mackie

Inspirational Entrepreneur & Mentor

Kishore Mahbubani

Distinguished Fellow, Asia Research Institute at the National University of Singapore; Former Diplomat, Academic & Author

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

Sharon Gannon

Co-Founder, Jivamukti Yoga