Shama Hyder

CEO of The Marketing Zen Group

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Simon Mainwaring

Best-Selling Author, Podcaster, Business Futurist & CEO of We First

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

Stephen Walt

Robert and Renee Belfer Professor of International Affairs at Harvard University

Stephen M. Walt | Realism & Balance of Threat | GREAT MINDS

Stephen Wolfram

Founder & CEO of Wolfram Research, Inc. & Author of "A New Kind of Science"

Steve Blank

Serial Entrepreneur; Founder, Lean Startup Movement

Steven Squyres

Scientific Investigator, NASA

Suzy Welch

Best-Selling Author, Popular Television Commentator & Noted Business Journalist

Tal Ben-Shahar

Best-Selling Author & Positive Psychology Expert

Tan Le

CEO of EMOTIV; Non Executive Director at QBE Insurance Group; Author of "The NeuroGeneration;" Member of Global Future Council on Neurotechnologies at World Economic Forum

Tavi Gevinson

Creator of Fashion Blog Style Rookie and Rookie Magazine; Actress and Singer in the Broadway Show "This Is Our Youth"

Tim Armstrong

Former CEO of AOL; Founder & CEO of the dtx company

Tim O'Reilly

Founder & CEO of O'Reilly Media

Tim O'Shaughnessy

Co-Founder and Former CEO LivingSocial

Timothy Patrick McCarthy

Award-Winning Scholar, Educator & Human Rights Activist; Faculty Member at Harvard University's Graduate School of Education and John F. Kennedy School of Government

Reckoning with History: Unfinished Stories of American Freedom

Tina Seelig

Executive Director of the Stanford University Technology Ventures Program

Troy Hazard

Global President of the Entrepreneurs' Organisation

Tyler Oakley

YouTube Personality & New York Times Bestselling Author; LGBTQ+ Youth Advocate

Us the Duo

Husband & Wife Musical Duo Popularized on Vine