Kareem Abdul-Jabbar

Highest-Scoring NBA Player in History & Cancer Survivor

Kareem Abdul-Jabbar calls out anti-Semitism in Hollywood and sports

Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Shawn Achor

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

Shawn Achor on happiness as a competitive advantage

Gerry Adams

President, Sinn Fein

Lynsey Addario

American Photojournalist; Contributor for National Geographic & Time Magazine

Chimamanda Ngozi Adichie

Renowned African Novelist & Speaker

Anant Agarwal

CEO of edX & Professor at MIT

Luis von Ahn

Founder and CEO of reCAPTCHA and Duolingo

Alan Blinder

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

Buzz Aldrin

Former Fighter Pilot & 2nd Man to Walk on the Moon; Author

Graham Allison

Founding dean of Harvard's modern John F. Kennedy School of Government and Director of the Belfer Center for Science and International Affairs.

Gloria Allred

Renowned Women's Rights Attorney; Subject of Netflix Documentary "Seeing Allred"

Alonzo Mourning

Former Professional Basketball Player, Seven-time NBA All-Star; Inducted into the Basketball Hall of Fame

Andie MacDowell

Actress Known for "Four Weddings & a Funeral;" Heart Health Activist

Andrea Mitchell

Award-Winning Chief Foreign Affairs Correspondent at NBC & Host of "Andrea Mitchell Reports"

Andrew Hargadon

Innovation Author & Former Product Designer at IDEO and Apple

Andy Roddick

Tennis Commentator & Former Co-Host of Fox Sports Live; Retired World No. 1 Tennis Player & International Tennis Hall of Famer

Angela Maiers

Futurist, Innovator, Education Leader, Entrepreneur & Change Maker

Joy-Ann Reid

MSNBC Correspondent, Political Author & Former Host of "The Reid Report"

Anna Deavere Smith

Award-Winning Actress, Playwright, Social Commentator

Anna Deavere Smith on developing emotional capacity as an artist ...