The Rt. Hon. Dame Jacinda Ardern

Former Prime Minister of New Zealand

Nick Clegg

President, Global Affairs at Meta; Former UK Deputy Prime Minister

How To Stop Brexit (And Make Britain Great Again)

Wendy Sherman

Professor of the Practice of Public Leadership & Director of the Center for Public Leadership at the Harvard Kennedy School

The US approach to China with Deputy Secretary of State Wendy R. Sherman

Oby Ezekwesili

Senior Economic Advisor at Open Society Foundation

Bill Browder

Founder & CEO of Hermitage Capital Management; Human Rights Activist; Bestselling Author of "Red Notice"

Ambassador Ron Prosor

Former Israeli Ambassador to the United Nations

Fiona Hill

Senior Fellow in the Center on the United States & Europe in the Foreign Policy Program at Brookings

Alaa Murabit

Architect of the Sustainable Development Goals, Nobel Peace Prize Nominee, Gates Foundation Director & UN High level Commissioner

Bob Corker

Former US Senator & Chairman of the Senate Foreign Relations Committee

Peter Zeihan

Energy & Geopolitical Strategist, Author of "The Absent Superpower" & "The Accidental Superpower"

Malala Yousafzai

Youngest-Ever Nobel Prize Winner; Advocate for Girls' Education & Women's Equality; Author of the International Bestseller "I Am Malala"

Alexander Stubb

Former Prime Minister of Finland

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates

George J. Mitchell

U.S. Senator, 1980 - 1995 & Former Special Envoy for the Middle East

Wyclef Jean

Grammy Award Winning Musician, Formerly in Band "The Fugees"

Robert Engle

Nobel Prize-Winning Economist

Carlos Brito

Chief Executive Officer, Anheuser-Busch InBev

Jeanne Shaheen

fmr. Governor, New Hampshire (D)

Stephen Breyer

Former Associate Justice of the Supreme Court of the United States

A look at Justice Stephen Breyer's career and opinions on the bench

Tom Freston

Principal, Firefly3; Former CEO, Viacom Inc.

Patrick Byrne

Founder & CEO, Overstock.com

Laurence Tribe

Carl M. Loeb University Professor at Harvard Law School & Author

Guillermo del Toro

Academy Award Winning Filmmaker & Author; Best Known for "Pinocchio," "The Shape of Water," Pan's Labyrinth," and "Hellboy"

Bob Woodward

Legendary Pulitzer Prize-Winning Investigative Journalist; 22-Time Best-Selling Author & Associate Editor at The Washington Post

Nancy Pelosi

Former Speaker Of The House

Robert Cialdini

New York Times Best-Selling Author; The Foundational Expert in the Science of Influence & Persuasion

Martha Raddatz

ABC News Chief Global Affairs Correspondent & Co-Anchor of "This Week with George Stephanopoulos"

Kenyon College: Martha Raddatz Commencement Address 2015 ...

Robert Greene

New York Times Bestselling Author of "The 48 Laws of Power," "The Art of Seduction," "The 33 Strategies of War," and "The 50th Law"

Jared Cohen

President, Jigsaw (previously Google Ideas) & Chief Advisor to Alphabet Executive Chairman (former Google CEO) Eric Schmidt

Fred Swaniker

Founder & CEO of African Leadership Group