Robert Gibbs

Partner at Bully Pulpit International; Former Global Chief Communications Officer at McDonald's; Former Advisor & White House Press Secretary for the Obama Administration

Dr. Tali Sharot

Leading Expert on Human Decision-Making & Optimism; Cognitive Neuroscientist & Author

Cesar Kuriyama

Director, Producer & TED Speaker; Known for 1 Second Everyday

Susan Cain

Bestselling Author; Lecturer; Expert on Culture & The Power of Introverts

Dr. Mark D. Emerson

Leading Lifestyle Medicine Expert & Author Specializing in Diet and Disease

Simon Mainwaring

Best-Selling Author, Podcaster, Business Futurist & CEO of We First

Don Zavis

Award-Winning Sales Coach

Jon Taffer

Business Mogel; Executive Producer & Host of Bar Rescue; Author & Restauranteur

Margaret Wertheim

Co-Creator, Crochet Reef; Science Writer

Jake Shimabukuro

Japanese-American Ukulele Virtuoso & Composer

Jake Shimabukuro Performing Bohemian Rhapsody On HiSessions ...

Scott McCloud

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

Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Sebastian Wernicke

Managing Director, Seven Bridges Genomics

Brian Skerry

National Geographic Magazine Photographer, Specializing in Marine Wildlife & the Underwater World; Exploration & Conservation Speaker

Inge Missmahl

By building psychosocial care into the primary health care system in Afghanistan, Inge Missmahl offers hope to a society traumatized by decades of conflict and insecurity.

Jason Clay

Senior Vice President of Food & Markets at WWF

Ellen Dunham-Jones

Architect, Urban Designer, Professor & Author

Dan Cobley

Marketing Director at Google & TED speaker

Johan Rockström

Redefining Sustainable Development

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Tony Porter

Educator & Activist Internationally Recognized For His Effort To End Violence Against Women

Caroline Casey

Founder of Kanchi & The Ability Awards

Roshi Joan Halifax

American Zen Buddhist Teacher

Kim Gorgens

Neuropsychologist; Professor at University of Denver

Rachel Botsman

Trust Expert, Lecturer at Oxford University & Author of "Who Can You Trust?"

Antonio Damasio

Director of the Brain Institute

Beatrice Coron

Papercutter Artist & Storyteller

Carlo Ratti

Italian Architect & Engineer; Director of MIT's SENSEable City Lab; Founding Partner of Carlo Ratti Associati

Edward Tenner

Smithsonian Institution Distinguished Scholar & Author of "Why Things Bite Back" and "Our Own Devices"

Kathryn Schulz

Pulitzer Prize Winning Journalist & Author; Staff Writer at The New Yorker