98 degrees

Pop & R&B Group

AJ McLean

Singer, Songwriter and member of the Backstreet Boys

AJ McLean Opens Up About His 20-Year Drug Addiction Battle ...

Adrienne Maloof

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

Akbar Gbajabiamila

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

Akon

Senegalese-American Hip-Hop Recording Artist & Producer; Social Impact Entrepreneur & Founder of Akoin

Al Michaels

NBC Sports Sunday Night Football Broadcaster

Alan Tudyk

Actor & Voice Artist, Best Known for "Firefly" and "Frozen"

Alex Banayan

Author & World’s Youngest Venture Capitalist

Alexa PenaVega

Actress & Singer Known For "Spy Kids;" "Dancing With the Stars" Season 21 Contestant & Christian Speaker

Alexi Lalas

Fox Sports Commentator & Former MLS Soccer Player

Alfred Enoch

British-Brazilian Actor Known for "How to Get Away with Murder" & The "Harry Potter" Franchise

Alfred Enoch Talks 'How to Get Away With Murder' & 'Harry Potter'

Alisha Marie

YouTube Fashion & Beauty Guru

Aly Mawji

Actor Known for His Role in "Silicon Valley"

Amanda Seyfried

Actress Known For Her Roles in "Mean Girls," "Les Miserables," "Dear John" and "Mamma Mia!," Among Others

Anders Holm

Actor & Comedian Known for Comedy Central's "Workaholics"

Andrew Santino

American Actor & Comedian

Andy Puddicombe

Co-Founder of Headspace

Ann-Margret

Award-Winning Swedish-American Actress, Singer & Dancer

Annie Jacobsen

Author and Investigative Journalist

Antonio Damasio

Director of the Brain Institute