Thandie Newton

Actress known for "Westworld"

Guillermo del Toro

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

Laurie Garrett

One of America's Premier Authorities on Healthcare and Disease Prevention

Rita McGrath

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

Ricky Gervais

Award-Winning English Comedian & Actor; Known for "The Office" and "Extras"

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"

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Diane Sawyer

Anchor, ABC World News

Bill Browder

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

Fred Swaniker

Founder & CEO of African Leadership Group

Caroline Elkins

Professor of African Studies at Harvard University & Pulitzer Prize-Winning Author of "Imperial Reckoning"

Charles Leadbeater

Innovation Expert & Author

Patrick Byrne

Founder & CEO, Overstock.com

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

The Rt. Hon. Dame Jacinda Ardern

Former Prime Minister of New Zealand

Hillary Clinton

Former First Lady & Founder of Onward Together

Bill Clinton

42nd President of the United States; Founder of the William J. Clinton Foundation

Tom Freston

Principal, Firefly3; Former CEO, Viacom Inc.

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

Nicholas Kristof & Sheryl WuDunn

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