Josette Sheeran

President and CEO of the Asia Society; Former Vice Chairman of the World Economic Forum.

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Anna Dietrich

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

Julia Bacha

Award-Winning Documentary Filmmaker, Creative Director at Just Vision

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Danielle de Niese

Her voice described as a sweet gleaming soprano, Danielle de Niese breathes new life into opera, astonishing critics and making audiences sit up and listen.

Cynthia Kenyon

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

Karen Tse

Human Rights Defender & Social Entrepreneur; Founder of International Bridges of Justice

Pamela Meyer

Founder & CEO of Calibrate; Author of "Liespotting;" TED Speaker

Jae Rhim Lee

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

Thandiwe Newton

Award-Winning British Actress Best Known for her Role in Westworld

Thandie Newton Makes Great Banana Bread, But Watch This Before You Eat It

Marco Tempest

Cyber-Illusionist

Yasheng Huang

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

Elizabeth Murchison

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

Jeremy Gilley

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

Mikko Hypponen

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

If It's Smart, It's Vulnerable

Robin Ince

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

Adam Ostrow

Chief Digital Officer, TEGNA

Amy Lockwood

Deputy Director of Stanford's Center for Innovation in Global Health

Jarreth Merz

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

Sonaar Luthra

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

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Bunker Roy

Founder of Barefoot College

Harald Haas

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

Mike Biddle

Co-founder, MBA Polymers

Maajid Nawaz

Counter-Extremism Activist

Mark Pagel

Professor and Head of the Evolutionary Biology Group at the University of Reading

Lucianne Walkowicz

Astronomer, Movement Artist & Educator

Ian Ritchie

Ian Ritchie is chair of iomart plc. and several other computer and learning businesses, including Computer Application Services Ltd.

Aparna Rao

A part of the Bangalore-based artist duo Pors & Rao, Aparna Rao works with electro-mechanical systems and interactive installations.