Valerie Jarrett

Civic Leader, New York Times Best-Selling Author & Former Senior Advisor to President Obama

Robert M. Gates

Secretary of Defense (2006 - 2011), Former Director of the CIA

Christopher Gavigan

Founder & Chief Product Officer, The Honest Company

Eliot Spitzer

Former Governor, New York State

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Ryan Nerz

TV’s First Chief Cannabis Correspondent; Author of "MARIJUANAMERICA"

Nicholas Christakis

Sol Goldman Family Professor of Social & Natural Science; Director of the Human Nature Lab; Co-Director of the Yale Institute for Network Science

Alex Steffen

Author of "Carbon Zero: Imagining Cities That Can Save the Planet"

Shashi Tharoor

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

Jon Corzine

Former Governor of New Jersey; Former CEO of Goldman Sachs & MF Global

Dr. John Kao

Chairman, Institute for Large Scale Innovation, Bestselling Author of "Innovation Nation" and "Jamming: The Art and Discipline of Business Creativity"

Deval Patrick

Two-term Governor of Massachusetts, Civil Rights Attorney & Business Leader

Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

Moby

Musician, DJ, Photographer

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis

Robert D. Kaplan

Best-Selling Author & Atlantic Monthly Correspondent

Dr. Linda Yueh

Fellow of Economics & Director of the China Growth Centre at the University of Oxford; Globally-Recognized Authority on Chinese Economy

Dr. M. Joycelyn Elders

Former Surgeon General of the United States

Patrick Byrne

Founder & CEO, Overstock.com

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau