Aaron Huey

National Geographic Photographer & Stanford School Global Ambassador

Aaron McGruder

Writer and Cartoonist; Known for "The Boondocks"

Abha Dawesar

Award-Winning Novelist, Artist, TED Speaker & Head of Institutional Marketing Strategy and Planning at Vanguard

Adriana Trigiani

New York Times Best-selling Author & Award-winning Playwright, Television Writer, and Documentary Filmmaker

Alan Siegel

Founder and Chairman Emeritus, Siegel+Gale and Champion for Simplicity

Alex Laskey

Founder and Former President at OPOWER

Alpana Singh

Restaurateur, Master Sommelier, TV Host & Author

Alvin Poussaint

Psychiatrist, Media Consultant & Author

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

Anne Bogart

Prolific and Award-Winning American Theatre and Opera Director

Annette Gordon-Reed

Professor of American Legal History at Harvard Law School & Pulitzer Prize-Winning Author

Annie Griffiths

Award-Winning Photographer for National Geographic

Antonio Damasio

Director of the Brain Institute

Armstrong Williams

Conservative Media Personality

Ashlyn Harris

Goalkeeper for the U.S. Women's National Soccer Team; FIFA Women's World Cup Champion

Avi Rubin

Professor of Computer Science & Technical Director of the Information Security Institute at Johns Hopkins University

Ayesha Khanna

Artificial Intelligence Solutions Expert; Leading Advisor on Our Intelligent Future; Co-Founder & CEO of Addo

Azadeh Moaveni

Associate Professor, Writer, Journalist & Author

Woman. Life. Freedom. Iran's Feminist Movement

Barry Libert

Social Enterprise Authority / Author

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist