Graham Hill

Founder of Life Edited & TreeHugger.com

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

R "Ray" Wang

Founder, Chairman & Principal Analyst at Constellation Research; Author of "Disrupting Digital Business"

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Craig Newmark

Founder of Craigslist; Internet Entrepreneur; Leader in Social Networks

William Frist

Chair, The Nature Conservancy Global Board; Former U.S. Senate Majority Leader, Heart Transplant Surgeon; Founder of Founding Partner of Frist Cressey Ventures and Hope Through Healing Hands

Dr. William H. Frist - Acceptance Speech

Jason Dorsey

The Gen Y Guy & Chief Strategy Officer at The Center for Generational Kinetics

Craig Venter

Founder & CEO of Synthetic Genomics Inc.

OK Go

Alternative Rock Band Known for Inventive Music Videos Like "Here It Goes Again" and "I Won't Let You Down"

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Shama Hyder

CEO of The Marketing Zen Group

Sergio Zyman

Marketing Visionary; Former Coca-Cola Marketer

John Sculley

Vice-Chairman of MDLIVE, Former CEO of Apple Computers & PepsiCo; High-Tech Entrepreneur, Venture Capitalist & Author

James Watson

Molecular Biologist, Geneticist & Zoologist

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

Eric Ripert

Chef, Author & Host of "Avec Eric"

Steve Howard

Former Chief Sustainability Officer of IKEA Group

Dr. John Kao

Chairman, Institute for Large Scale Innovation, Bestselling Author of "Innovation Nation" and "Jamming: The Art and Discipline of Business Creativity"

Dan Schulman

President & CEO of PayPal; Former President of American Express