Chelsea Clinton

Vice Chair of the Clinton Foundation & Author of "She Persisted" Series

Chelsea Clinton on the Fight for Reproductive Health

Guy Laliberté

Founder of Cirque du Soleil

Tim Berners-Lee

Inventor of the World Wide Web; Engineer & Computer Scientist

Scott "Scooter" Braun

Founder of SB Projects

Charles Leadbeater

Innovation Expert & Author

Cameron Sinclair

World-Class Visionary; Co-Founder of Architecture for Humanity

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Bassem Youssef

Egyptian Comedian, Host of the "The Program" & Cardiac Surgeon

Salim Ismail

Futurist, Strategist & Entrepreneur; Founder, OpenExO & Founding Executive Director, Singularity University; Author of Best-Selling "Exponential Organizations"

Bjarke Ingels

Founder & Creative Partner of Bjarke Ingels Group; Influential Architect

Sal Masekela

Host, Sports Commentator, Surfer & Musician

Yvon Chouinard

Founder & Owner of Patagonia, Inc.

Paul Hawken

Activist, Author, Journalist, & Founder of Project Drawdown

Nassim Nicholas Taleb

Distinguished Professor of Risk Engineering & Co-Director of the Research Centre for Risk Engineering at the Polytechnic Institute of New York University

Vicente Fox

Former President of Mexico & Businessman

A.G. Lafley

Former Chairman, CEO & President of Procter & Gamble

John Eales

Former Rugby International and Businessman

Neil Turok

Neil Turok works on understanding the universe's very beginnings.

Kevin Roberts

Authority on Brands & the Future of Marketing; Executive Chairman, Saatchi & Saatchi; Creator of Groundbreaking Concept & Book: Lovemarks

Alastair Campbell

Consultant; Strategist; Communicator; Campaigner; Best-Selling Author; Former Director of Strategy & Communications to Tony Blair