Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Type-1 Diabetic

Linda Armstrong Kelly

Single Mother of Lance Armstrong; Philanthropist & Advocate for Children

Amy Schumer

Award-Winning Actress & Comedian; Author of "The Girl with the Lower Back Tattoo;" Feminist Advocate

Amy Schumer diagnosed with rare health disorder: ‘Something was wrong’

Chris Powell

Trainer and Transformation Specialist on ABC's "Extreme Makeover: Weight Loss Edition"

Terrence Jenkins

Actor and TV Host

Dan Savage

Advice Columnist & Host of the "Savage Lovecast" Podcast; LGBTQ Activist

Tatyana Ali

Actress, Singer & Activist; Best Known for "The Fresh Prince of Bel-Air"

Sinbad

Stand-Up Comedian & Actor

Sinbad is back after a stroke: ‘Miracles happen’

Ronnie Lott

Former Professional Football Player

American Authors

Indie Rock Band; Known for "Best Day Of My Life"

Ross Mathews

Host of Hello Ross! & Author of "Man Up: Tales of My Delusional Self-Confidence"

Chris Sacca

Google & Twitter Innovation Guru

Judge Greg Mathis

Civil Rights Activist, Television Personality

Neil Blumenthal

Co-Founder & Co-CEO of Warby Parker

Kellie Pickler

Country Music Artist, American Idol Alum, "Dancing with the Stars" Winner & Host of Daytime Talk Show "Pickler & Ben"

Jessica Williams

Actress, Comedian, Former Correspondent on "The Daily Show" & Co-Host of the "2 Dope Queens" Podcast

Jodie Sweetin

Entrepreneur, Actress, Producer & Author

Andy Samberg

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

Shay Mitchell

Actress Known for Her Role in "Pretty Little Liars"; Entrepreneur & CEO of Beis

Nash Grier

Social Media Guru, Digital Influencer & Environmental Activist