Anna Dietrich

‎Entrepreneur; Consultant; Speaker; COO & Co-Founder of Terrafugia, Inc.

Bunker Roy

Founder of Barefoot College

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Jeremy Gilley

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

Marco Tempest

Cyber-Illusionist

Harald Haas

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

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

Adam Ostrow

Chief Digital Officer, TEGNA

Neil MacGregor

The writer and presenter of the BBC Radio 4 series "A History of the World in 100 Objects" and the accompanying book.

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Cynthia Kenyon

Molecular Biologist & Biogerontologist; Vice President of Aging Research at Calico

Charles Hazlewood

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

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

Yasheng Huang

Yasheng Huang asks us to rethink our ideas about China and other large emerging economies.

Daniel Wolpert

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

Elizabeth Murchison

Elizabeth Murchison studies a mysterious (and contagious) cancer that threatens to wipe out Tasmanian devils.

Peter Fankhauser

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

Robin Ince

The rational-minded Robin Ince conducts live experiments in comedy.

Todd Kuiken

Biomedical Engineering Manager at the Rehabilitation Institute of Chicago

Lucianne Walkowicz

Astronomer, Movement Artist & Educator

Jarreth Merz

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

Rory Stewart

Foreign Affairs & Human Rights Expert

Alex Steffen

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

Misha Glenny

Award-Winning Journalist, Author; Expert on Cybersecurity, Global Organized Crime & Geopolitics

Misha Glenny Speaker Showreel

Sonaar Luthra

Sonaar Luthra is the creator of Water Canary, a water-testing device that collects real-time water-quality data from the field.