Daniel Kraft, M.D.

Physician-Scientist; Founder of Exponential Medicine; Chair for Medicine & Neuroscience at Singularity University

Sir Richard Branson

Businessman & Founder of Virgin Group

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Read Montague

Neuroscientist & Popular Science Author

Clay Shirky

Expert on New Technology & Social Media, & How They Shape Culture; Professor & Distinguished Writer in Residence, NYU

John Legend

EGOT Winning Musician, Producer & Philantropist

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"

Tim O'Reilly

Founder & CEO of O'Reilly Media

Lakshmi Karan

Executive Director, Genentech Foundation and Director, Global Strategy, at Riders for Health

David Bornstein

Author, Fixes column in The New York Times and Founder, Solutions Journalism Network

Seth Berkley

Global Health Expert and Epidemiologist; Senior Advisor to Brown University Pandemic Center

Seth Berkley - 3ie Evidence Dialogues Interview Series

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

Jimmy Wales

Founder of Wikipedia & Wikitribune

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Roger Martin

Management Thinker, Author, Strategist & Advisor

A Plan Is Not a Strategy - YouTube

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades

Ian Goldin

Director, Oxford University's 21st Century School, Visionary Economist and Former Vice President, The World Bank

Giovanni Colella

Co-Founder & CEO at Castlight Health

Alex Nicholls

Lecturer in Social Entrepreneurship, Skoll Centre for Social Entrepreneurship

Mark Kramer

Co-founder of FSG, Author & Co-Creator of Shared Value Concept

John Merris Coots

Director, California Career Resource Network, California Department of Education

Maurice Biriotti

Founder and CEO, SHM

Sheldon Yellen

CEO of BELFOR Property Restoration

Bill Gates

Co-Founder of Microsoft; Co-Chair of the Bill & Melinda Gates Foundation

Bunker Roy

Founder of Barefoot College

John E. Abele

Former Founder and President of Boston Scientific

Danny Hillis

Author & Co-Founder and Co-Chairman of Applied Minds

Gary Cohen

Managing Partner at CO2 Partners