Brian Skerry

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

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Bunker Roy

Founder of Barefoot College

Charles Hazlewood

Award-winning conductor and musical revolutionary; Speaker, and Artistic Director of Paraorchestra

Harald Haas

Communications Technology Innovator & Chair of Mobile Communications at the University of Edinburgh

Geoffrey West

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

Mike Biddle

Co-founder, MBA Polymers

Lee Cronin

With his research group, Lee Cronin is investigating the emergence of complex self-organising chemical systems -- call it inorganic biology.

Svante Paabo

Max Planck Institute Director, Department of Genetics

Daniel Wolpert

A neuroscientist and engineer, Daniel Wolpert studies how the brain controls the body.

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Peter Fankhauser

Peter Fankhauser is the leader of a team of students working on Rezero, a robot that balances on a single sphere.

Jae Rhim Lee

Artist and TED Fellow Jae Rhim Lee Re-Imagines the Relationships Between the Body and the World

Justin Hall-Tipping

The Energy Evangelist, Justin Hall-Tipping works on nano-energy startups -- mastering the electron to create power.

Mikko Hypponen

Computer Security Expert; Chief Research Officer at WithSecure & Principal Research Advisor at F-Secure

If It's Smart, It's Vulnerable

Todd Kuiken

Biomedical Engineering Manager at the Rehabilitation Institute of Chicago

Adam Ostrow

Chief Digital Officer, TEGNA

Nathalie Miebach

The Intersection of Art and Science

Mark Ronson

Award-Winning Music producer and DJ

Donald Glover

Award-Winning Actor, Comedian, Writer, Director & Musician; Performs as Childish Gambino

Jarreth Merz

Jarreth Merz\' new film, \"An African Election,\" follows the 2008 presidential elections in Ghana from start to finish.

Nick Thune

Stand-Up Comedian, Actor & Musician

Doug Dvorak

Founder & Managing Principal of The DMG International

Jon Lajoie

Comedian, Actor, Musician & Internet Celebrity

Adam Goldberg

Actor, Director, Producer & Musician

Marco Tempest

Cyber-Illusionist

John Legend

EGOT Winning Musician, Producer & Philantropist

Robert Ballard

Renowned Ocean Explorer & Scientist

The Color Orange

Cross-Cultural Performance

Alex Steffen

Author of "Carbon Zero: Imagining Cities That Can Save the Planet"