Ellen Stofan

Under Secretary for Science & Research at the Smithsonian; Former Chief Scientist at NASA

Tom Broeker

Costume Designer Known for "House of Cards," "Happy-ish," & 'Saturday Night Live"

Phillip Hoose

National Book Award Winning Author, Musician, Conservationist

Barbara Terry

Automotive Spokesperson, TV Host, Marketing Expert, Author

Khalil Gibran Muhammad

Professor of History, Race & Public Policy at Harvard Kennedy School; Author of "The Condemnation of Blackness"

Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

Medgar and Myrlie: Medgar Evers and the Love Story that Awakened America

Zerlina Maxwell

Political Analyst, Sexual Assault Awareness Advocate & Author of "The End of White Politics"

Bruce Kalman

Sustainable Farm-to-Table Celebrity Chef; Appeared on "Top Chef," "Beat Bobby Flay," "Knife Fight" and "Chopped"

Alexander Ludwig

Actor Known for his Role in "The Hunger Games"; Currently Appears in History Channel's "Vikings"

Seth Harris

Former Acting U.S. Secretary of Labor & Deputy U.S. Secretary of Labor

Roxy Azari

Spoken Word Artist, Slam Poet & Social Justice Activist

Eduardo Bonilla Silva

Professor of Sociology at Duke University & Author of "Racism without Racists"

Dan Schulman

President & CEO of PayPal; Former President of American Express

Markus Persson

Owner of Mojang; Video Game Programmer; Designer & Creator of Minecraft

Sarah Elizabeth Lewis

Author of "The Rise," Curator & Assistant Professor at Harvard

Dorian Howard

Co-Founder and CEO of Wade & Belle; Former VP of Production for Paramount Pictures; Former Creative Executive for New Line Cinema

Melody Lee

Director of Brand & Reputation Strategy at Global Cadillac

Regina King

Academy Award-Winning Actress & Director

Todrick Hall

Singer, Rapper, Actor, Choreographer & Social Media Personality

Jonathan Nelson

Gospel Singer, Songwriter, Musician, and Worship Leader