Jake Layes

Director, Global Cleantech & Entrepreneur Impact, Autodesk

Todd Conklin

Senior Advisor for the Los Alamos National Advisory, Human & Organization Performance Consultant

Adrian Grenier

Actor, Known for HBO's "Entourage"

Adrian Grenier, Co Founder, Lonely Whale Foundation

Emmanuelle Chriqui

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

Emmanuelle Chriqui Talks Super Troopers 2, Entourage & More w ...

Peter Thiel

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

Lisa Ling

Executive Producer and host of This is Life on CNN

Alexis Ohanian

Partner at Y Combinator; Co-Founder of reddit, Entrepreneur, Investor, Activist & Bestselling Author of "Without Their Permission"

Ray Kurzweil

Chairman of Kurzweil Technologies; Inventor; Futurist

Transcend: Nine Steps to Living Well Forever

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Making cancer as harmless as the common cold | Michio Kaku

Ashley Judd

Actress, Activist, and Humanitarian

TedxNashville - Ashley Judd - My Life's Work as an Act of Worship

Katharine Wilkinson

Environmentalist & Bestselling Lead Writer of "Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming"

Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming

Van Jones

CNN Contributor; Best-Selling Author; Human Rights, Education and Clean Energy Advocate

Rebuild the Dream

Erin Brockovich

Consumer Advocate, Author, TV Host and Environmental Activist

Sophia Bush

Actress, Humanitarian & Author; Currently starring on "Chicago PD"

Mayim Bialik

Neuroscientist & Star of "The Big Bang Theory"

Dr. Mayim Bialik 2011 Commencement Address - YouTube

Marco Tempest

Magician and illusionist for the 21st century

Martin Eberhard

Founder, Original Chairman and CEO of Tesla

Stanford Seminar: Electric Vehicles & Startups - YouTube

Peter Diamandis

Chairman and CEO, X PRIZE Foundation; Author

Bold: How to Go Big, Create Wealth and Impact the World

Sir Richard Branson

Founder of Virgin Group

Finding My Virginity: The New Autobiography

Dambisa Moyo

Global Economist; NYT Bestselling Author

Edge of Chaos: Why Democracy Is Failing to Deliver Economic Growth—and How to Fix It