Stephen A. Smith

Sports Journalist, Analyst and Talk Show Host Known for "First Take"

Ronald A. Heifetz

Foremost Authority on Leadership & Organizational Adaptability; Founder of Center for Public Leadership; Senior Lecturer in Public Leadership at Harvard Kennedy School

Aaron McGruder

Writer and Cartoonist; Known for "The Boondocks"

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Abbi Jacobson & Ilana Glazer (Broad City)

Stars of the Comedy Central Series "Broad City"

Jill Abramson

Former Executive Editor of The New York Times

Mike Abrashoff

Former Commander of USS Benfold & Author of "It's Your Ship"

Shawn Achor

Harvard Professor, Researcher & Positive Psychology Expert; Author of "The Happiness Advantage" and "Big Potential"

Shawn Achor on happiness as a competitive advantage

Action Bronson

Rapper Known for his Critically Acclaimed Mixtape, "Rare Chandeliers"

Eric Ryan & Adam Lowry

Co-Founders of Method Products, Inc.

Chimamanda Ngozi Adichie

Renowned African Novelist & Speaker

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Adrian Gostick

Founder of The Culture Works & Bestselling Author of "Leading with Gratitude"

4 Ways To Help Employees Deal With Change

Adventure Club

Canadian EDM Duo

Aisha Tyler

Actress & Comedian

Reverend Al Sharpton

African-American Preacher & Activist; Foremost Civil Rights Leader; Radio Host on SiriusXM Urban View

Al Franken

Former Senator from Minnesota; Former SNL Writer; SiriusXM Radio Show Host

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Albert Maysles

Legendary Documentary Filmmakern

Alex Clare

British Singer-Songwriter Known for his hit "Too Close"