Alaa Murabit

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

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Criminal Justice Advocate, Author of "Poster Child," Abuse Survivor

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

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Politician & Land Commissioner of Texas

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Hip-Hop, Pop Culture & Race Expert

Cheryl Brown Henderson

Founding President of the Brown Foundation for Educational Equity, Excellence & Research

Abigail Johnson

Chairman & CEO at Fidelity Investments

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Michelle Obama

Former First Lady of the United States & Bestselling Author

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Daniel Altman

Sports Analytics & Strategy Expert

Eva Longoria

Award-Winning Actress, Producer, Director, Activist, Philanthropist & Designer

Gillian Sorensen

Senior Advisor, UN Foundation

Sheryl Lee Ralph

Actress, Broadway Singer & Producer; Known for "Abbott Elementary"

Planet Money

NPR's Multimedia Team on the Global Economy

Dr. Samantha Nutt

Medical Doctor, Award-Winning Humanitarian, Bestselling Author & Founder of War Child USA

Caroline Casey

Founder of Kanchi & The Ability Awards

Jalen Rose

Former ESPN Analyst & NBA Player

Nicholas Burns

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

Cory Booker

U.S. Senator from New Jersey; Author of "United" & Former Democratic Presidential Candidate

Fredricka Whitfield

CNN News Anchor

Alma Morales Riojas

President and CEO, MANA

Yaya DaCosta

Actress, Model & Activist

Zainab Al-Suwaij

Executive Director of the American Islamic Congress

Gladys Knight

Singer-Songwriter & Actress

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist

Aisha Tyler

Actress & Comedian

Kim Phuc Phan Thi

Advocate For Victims of War Crimes

Sharon Stone

Award-Winning Actress, Producer, Activist & Humanitarian

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Internationally Recognized Educator & Best-Selling Author