Aaron McGruder

Writer and Cartoonist; Known for "The Boondocks"

Adrienne Maloof

Co-owner of Maloof Companies; Star of "The Real Housewives of Beverly Hills"

Aja Naomi King

Actress Who Stars in the ABC Legal Drama Series, "How to Get Away with Murder" and "The Birth of a Nation"

Akbar Gbajabiamila

Inspirational Former NFL Player & Broadcaster; Host of American Ninja Warrior & Co-Host of The Talk

Alan Blinder

Economic Commentator at CNBC, Former Vice Chairman at the Board of Governors for the Federal Reserve and Princeton University Professor

Alan Doyle

Alan Doyle is a Canadian musician and actor, known for his work as one of the lead singers of Celtic band Great Big Sea and as a solo artist.

Alastair Campbell

Consultant; Strategist; Communicator; Campaigner; Best-Selling Author; Former Director of Strategy & Communications to Tony Blair

Albert Yu-Min Lin

Research Scientist/ Engineer; Research Scientist at the University of California, San Diego

Alberto Gonzales

Former Attorney General of the United States

Alex Banayan

Author & World’s Youngest Venture Capitalist

Alexandra Horowitz

Professor of Psychology, Animal Behavior, and Canine Cognition; Bestselling Author of "Inside of a Dog: What Dogs See, Smell and Know"

Amanda Palmer

Musician, New York Times Best Selling Author, Performer and Provocateur

Amar'e Stoudemire

Professional Basketball Player, Actor, Author, Producer, Motivational Speaker, & Philanthropist

Amber Riley

Actress; Known for "Glee" and "Dancing with the Stars"

Amy Smith

Mechanical Engineer, Professor, & Founding Director of MIT's D-Lab

Andrew Hargadon

Innovation Author & Former Product Designer at IDEO and Apple

Andrew Weil

Physician & Author; Broadly Described Guru of the Alternative Medical Brands

Anne Korin

Co-director of the Institute for the Analysis of Global Security

Anne Murray

Canadian Pop, Country, and Adult Contemporary Music Singer

Antoine Fuqua

Film Director & Producer Best Known for "Olympus Has Fallen" and "The Equalizer"

Antoine Fuqua dishes on 'The Equalizer 3'