Thomas L. Friedman

Three-Time Pulitzer Prize Winning Commentator; New York Times Foreign Affairs Columnist; Author of "The World Is Flat"

Thank You for Being Late: An Optimist's Guide to Thriving in the Age of Accelerations

Max Levchin

CEO, Affirm; Co-Founder of PayPal

Kevin Systrom

Co-Founder & Former CEO of Instagram

Wendy Kopp

CEO of Teach For All & Founder of Teach For America; Childhood Education Advocate

Stuart Brown

Founder and President of The National Institute for Play

Joshua Prince-Ramus

Architect & Principal of REX Design Firm

Matthew Bishop

Nonresident Senior Fellow of Global Economy and Development at the Center for Sustainable Development

Leslie Bradshaw

Executive Mentor & Co-Founder and Partner at Bradshaw Vineyards

Brian Chesky

Co-Founder, CEO & Head of Community at Airbnb

Judith Rodin

President, Rockefeller Foundation

Debbie Sterling

Tech Engineer & Founder and CEO of GoldieBlox; Advocate for Women in STEM

Robert Putnam

Professor of Public Policy, Harvard Kennedy School of Government; Author of "Our Kids"

Amory Lovins

Co-Founder & Chairman Emeritus of Rocky Mountain Institute

Craig Newmark

Founder of Craigslist; Internet Entrepreneur; Leader in Social Networks

Beau Willimon

Creator & Screenwriter, "House of Cards"

Michael Gelb

Educator, Innovation & Creativity Expert; Author of "How To Think Like Leonardo Da Vinci"

Ev Williams

Co-founder & Former CEO of Twitter; Founder & CEO of Medium

Claude Steele

Social Psychologist & Stereotype Expert

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Daniel Ek

Entrepreneur, Technologist, CEO & Co-Founder of Spotify