The Rt. Hon. Dame Jacinda Ardern

Former Prime Minister of New Zealand

Nicolas Sarkozy

President of the French Republic (2007-2012)

Anoushka Shankar

Musician, Sitar Player Opus 3 Artists

Yang Lan

Co-Founder & Chairperson of the Sun Media Group & Sun Culture Foundation; Called the 'Oprah of China'

Mark Hamill

Actor Best Known for His Role as Luke Skywalker in the "Star Wars" Franchise

Paul Dwyer

Heads the Department of Performance Studies at the University of Sydney

Tenacious D

Rightfully hailed as "the greatest band on Earth," the super-sized acoustic metal/comedy duo Tenacious D was an unlikely success story.

Felipe Gonzalez

Former President of Spain

Megan Massacre

Tattoo artist, model, fashion contributor, and TV personality best know for NY Ink and America's Worst Tattoos

Dr. Henry Louis Gates, Jr.

Award-Winning Filmmaker, Literary Scholar, Journalist & Cultural Critic; Director of the Hutchins Center for African & African American Research at Harvard University

Harrison Ford

Award-Winning Actor Known for "Star Wars" & "Indiana Jones"

Sacha Baron Cohen

Comedian, Actor & Writer Known for "Borat"

Lou Gerstner

As chairman and CEO of IBM, Lou Gerstner navigated one of the most dramatic turnarounds in corporate history.

Sandra Bullock

Academy Award-Winning Actress & Producer; Philanthropist & Humanitarian

Sandra Bullock & Channing Tatum Met in the Principal's Office

Mikaela Shiffrin

American Two-Time Olympic Gold Medalist; World Cup Alpine Skier

Maya Shankar

Global Head of Behavioral Science at Google

Janet Yellen

78th United States Secretary of the Treasury; World-Renowned Economist; Former Chair of the Board of Governors of the Federal Reserve System

Nico Rosberg

Sustainability Entrepreneur & Formula 1 World Champion

Lewis Black

Stand-Up Comedian, Actor and Author; Former Correspondent on "The Daily Show"

Duffer Brothers

Writing & Directing Duo; Best Known for "Stranger Things"