Milton Chen

Former Executive Director of the George Lucas Education Foundation; Author of "Education Nation: Six Leading Edges of Innovation in Our Schools"

Ashley Michelle Berry

Anti-Bullying Advocate, Actress, TV & Radio Host

Dave Dravecky

Former Professional Baseball Player; Cancer Survivor, Arm Amputee & Author of "Comeback"

Linda Chavez

Political Commentator, Chairman of the Center for Equal Opportunity & Senior Fellow at the Niskanen Center

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Alan November

International Leader in Education Technology & Author of NYT Bestseller "Who Owns the Learning?", Founder of November Learning

Dale Dougherty

Founder of MAKE Magazine, Creator of Maker Faire, Founder & CEO of Maker Media

Marc Andreessen

Co-Founder and General Partner Andreessen Horowitz

Teddy Zee

Film Producer

Bunker Roy

Founder of Barefoot College

Dr. Francis Collins

Head, Molecular Genetics Section, National Human Genome Research Institute; 16th Director, National Institutes of Health

Dr. Francis Collins: "I don't see a conflict" between science and faith ...

Ian Jukes

Educator & Technology Expert; Co-Founder of Infosavvy

Lee Bienstock

Media Lead, Google; Runner Up on NBC's "The Apprentice"

Charles Limb

Associate Professor of Otolaryngology-Head and Neck Surgery

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute

Candace Reese

The CEO Pundit: Empowerment Speaker, Inspirational Coach, Executive Influencer

Abhi Nemani

Former Chief Data Officer for the City of Los Angeles, Co-founder of Ethos Labs, Technological Optimist & Political Philosophy Nerd

Gever Tulley

Founder of the Tinkering School & Brightworks School; Author of "50 Dangerous Things You Should Let Your Children Do"

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Kate White

Former Editor-In-Chief of Cosmopolitan Magazine; New York Times Best-Selling Author

Nicholas de Wolff

Digital Media & Brand Strategy; Economic & Social Transformation Advisor; Sustainable Business Activist

Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Eleanor Longden

Mental Health Advocate & Speaker; Postdoctoral Service User Research Manager at Psychosis Research Unit

Compassion for Voices: a tale of courage and hope

Harvey Mansfield

Political Philosopher, Author & Distinguished Professor

Donna Shirley

Management Consultant & Author; Former Manager of the Mars Exploration Program

Kristie Kennedy

Women's Worth & Wellness Expert, TEDx Audacious Leadership Transformational Speaker

Maynard Webb

Silicon Valley Company Builder, Founder of Webb Investment Network & Former Chairman and CEO of LiveOps

Brooke Gladstone

Managing Editor & Co-Host of NPR's "On the Media"

Karen Clark

Effective, Ethical and Empowering Online Presence Training for Entrepreneurs

Jon Bergmann

Pioneer of the Flipped Class Movement & Bestselling Author of "Flip Your Classroom"; Member of the TED-Education Advisory Board