Rand Fishkin

Co-Founder & CEO of SparkToro; Former CEO of Moz; Co-Founder of Inbound.org & Author of "The Art of SEO"

Melanne Verveer

Director of the Georgetown Institute for Women, Peace & Security at Georgetown University; Former U.S. Ambassador at Large for Global Women's Issues

Jessica Herrin

Founder & CEO of Stella & Dot

Uri Dadush

Senior Associate and Director, Carnegie's International Economics Program

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Scott McCloud

Cartoonist and Comics Theorist; Author of "Understanding Comics," Reinventing Comics," and "Making Comics"

Jason Clay

Senior Vice President of Food & Markets at WWF

Dale Dougherty

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

Bunker Roy

Founder of Barefoot College

Geoffrey West

Theoretical Physicist, Distinguished Professor & Past President of Santa Fe Institute

Richard Resnick

CEO of Cureatr

Natalie Warne

Activist, Advocacy Educator, Engagement Strategist & TED Speaker

Ramona Pierson

Former Managing Director, Head of Product and Innovation at PwC

Mondo Guerra

Fashion Designer & Advocate for HIV/AIDS Awareness

Reed Timmer

Meteorologist & Extreme Storm Chaser, Featured on the Reality Series "Storm Chasers"

Stefan Richter

Chef and Owner, Stefan's Restaurants; Former Top Chef "Cheftestant"

Olivia Ward

Winner of "Biggest Loser" Season 11

Jan Fields

Former President of McDonald's USA & Member of the Board of Directors at Alimentat

Dave McClure

Entrepreneur & Startup Advisor, 500 Hats

Maynard Webb

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

Robert Tucker

Business Futurist, Innovation Expert & Best-Selling Author

Innovation is Everybody’s Business, a CadreTalk with Robert B. Tucker

Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

Jacqueline Laurita

Star of "The Real Housewives of New Jersey"; Advocate for Autism Awareness

Jaslene Gonzalez

Puerto Rican-American Model, TV Host & Winner of America's Next Top Model; Founder of "On Set with Jaslene"

Gareth Jones

Leading Expert on Organizational Culture, Leadership and Change

Dan Mintz

Comedian and Voice Actor; Known for Playing Tina Belcher on "Bob's Burgers"

Muggsy Bogues

Former NBA All-star for the Charlotte Hornets

Joe Ruffini

Anti-Terrorism, Information Security & Risk Minimization Expert

Dr. Paul Wolpe

Director of the Emory Center for Ethics

Jessica Matthews + Julia Silverman

Co-Founders of Uncharted Play, Inc.; Co-Inventors of the SOCCKET ball