Arne Duncan

Managing Partner at Emerson Collective; Former U.S. Secretary of Education

Elizabeth Vargas

Emmy Award-Winning Journalist; Best-Selling Author; Anchor for NewsNation

David Moinina Sengeh

Minister Of Basic and Senior Secondary Education & Chief Innovation Officer for the Government of Sierra Leone

Kareem Abdul-Jabbar

Highest-Scoring NBA Player in History & Cancer Survivor

A Season on the Reservation: My Soujourn With the White Mountain Apaches

James McBride

New York Times Best-Selling Author & Musician

Michael Moore

Academy Award Winning Documentarian & Best-Selling Author

Meghan McCain

Political Columnist, Author & Award-Winning Blogger

Ehud Olmert

Former Prime Minister of the State of Israel

Branford Marsalis

Grammy Award-Winning Jazz Musician & Passionate Music Educator

Charlamagne Tha God

Radio & TV Personality; Co-Host of the iHeartRadio Program "The Breakfast Club"

Judith Light

Award Winning Actress & Activist

John Leguizamo

Tony and Emmy Award-Winning Colombian Actor & Comedian on Broadway, Television, and Film

Oscar Arias

Former President of Costa Rica & Nobel Laureate

J. Cole

Hip-Hop Recording Artist & Record Producer Known for "Power Trip" and "Work Out"

Sissy Spacek

Academy Award-winning Actress and Singer

Karla Souza

Mexican Actress Who Stars on the ABC Legal Drama Series, "How to Get Away with Murder"

Tegan & Sara

Canadian Pop Duo

Simone Biles

Most Decorated Gymnast Ever & Record Holder for Most Gold Medals at a Single Olympic Games

Sam Smith

Grammy Award-Winning British Singer-Songwriter

Prince Ea

Spoken Word Artist & Activist