Susan Rice

Domestic Policy Advisor (2021-2023); U.S. National Security Advisor (2013-2017); and U.S. Ambassador to the United Nations (2009-2013)

Susan Rice, leaving the administration, talks of what's possible in a divided nation

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Elliot Schrage

Former Vice President of Communications, Public Policy & Platform Marketing at Facebook

Samantha Power

Former United States Ambassador to the United Nations, Pulitzer Prize-Winning Author & Harvard Professor

James Woolsey

Former Director of the C.I.A.

Bernard Kouchner

Former Minister of Health of France; Founder of Nobel Peace Prize-Winning Médecins Sans Frontières

Harry Shearer

Actor and Comedian; Known for "The Simpsons" and "Spinal Tap"

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

William Frist

Chair, The Nature Conservancy Global Board; Former U.S. Senate Majority Leader, Heart Transplant Surgeon; Founder of Founding Partner of Frist Cressey Ventures and Hope Through Healing Hands

Dr. William H. Frist - Acceptance Speech

John Zogby

Trendspotter & Leading Pollster

Michael Steele

Conservative Political Commentator & Former Republican Party Politician

Larry Kudlow

Conservative Commentator, Economic Analyst, TV Personality, & Newspaper Columnist; CNBC's Senior Contributor; Former Host of "The Kudlow Report"

Tim O'Reilly

Founder & CEO of O'Reilly Media

Ronan Farrow

Investigative Reporter, Activist & Lawyer

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Carey Lohrenz

First Female F-14 Fighter Pilot in the U.S. Navy, Team-Building, Leadership & Strategy Expert

Peter Hirshberg

Pioneering Entrepreneur and Voice on Disruptive Culture and Technology; Chairman of the Re:imagine Group

Greg McKeown

CEO of THIS Inc. & Best-Selling Author of "Essentialism: The Disciplined Pursuit of Less"

Rita McGrath

Expert on Business Strategy in Uncertain Environments; Acclaimed Thinkers50 Thought Leader & Author