Natalie Portman

Award-Winning Actress Known for "Black Swan," "V for Vendetta" & Playing Padmé Amidala in the Star Wars Prequel Trilogy

Natalie Portman on self-confidence and performing from an early ...

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Paul Reiser

Actor, Writer & Stand-Up Comedian Known for Portraying Paul Buchman in "Mad About You"

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Dan Abrams

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

Joyce Maynard

Journalist & Best-Selling Author

What cancer taught me about the nature of love | Joyce Maynard | TEDx

Sarah Michelle Gellar

Television & Film Actress, Co-Founder of Foodstirs

Debra Messing

Emmy Award-Winning Actress & Global Ambassador for PSI/Youth AIDS

Jason Alexander

Actor, Writer & Director; Best Known for His Work on "Seinfeld"

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Andrea Mitchell

Host of MSNBC’s "Andrea Mitchell Reports" & Chief Foreign Affairs Correspondent for NBC News

Andrea Mitchell - Celebrating 15 years of "Andrea Mitchell Reports"

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Rob Schneider

Emmy-nominated Actor, Comedian & Screenwriter; Former SNL Cast Member

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf

Emmy Rossum

Actress Known for Showtime's "Shameless" & Singer-Songwriter

Ashley Tisdale

Actress, Singer & Producer

Melissa Rauch

Actress, Writer & Stand-Up Comic, Best known for "The Big Bang Theory"

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Asra Nomani

Communications Strategist, Investigative Journalist, Cross-Cultural Communications Trainer & Researcher