Simone Biles

Most Decorated Gymnast Ever & Record Holder for Most Gold Medals at a Single Olympic Games

Mayim Bialik

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

Yara Shahidi

Award-Winning Actress Known for "Black-ish," Youth Advocate & Voting Activist

Let Curiosity Lead | Yara Shahidi | TED

Ashley Judd

Actress, Activist & Humanitarian

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

Mindy Kaling

Emmy-Nominated Writer, Producer, New York Times Best-Selling Author, Director & Actor

Mindy Kaling Would Love to Be in the Next "Charlie's Angels" with Drew

Shawn Achor

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

Karamo

Television Host & Culture Expert on Netflix's "Queer Eye"

Jane Fonda

Actress, Feminist, Author, Political Activist, Former Fashion Model & Fitness Advocate

Glennon Doyle

Author, Activist & Founder of Together Rising

Jameela Jamil

Actress, Outspoken Feminist, Mental Health & Body Positivity Advocate

Tunde Oyeneyin

Peloton Instructor & Makeup Artist; Founder of SPEAK Instagram Live Series

Chrissy Teigen

Model, Author & Television Personality

Selena Gomez

Actress & Singer; Best Known for "Wizards of Waverly Place"

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Lady Gaga

Grammy Award-Winning Pop Singer-Songwriter & Award-Winning Actress Known for "A Star is Born" & "Joker: Folie à Deux'; Founder of Haus Labs Cosmetics

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Keke Palmer

Actress & Youngest Talk Show Host in TV History

Anderson Cooper

Journalist, TV Personality, Anchor of CNN's "Anderson Cooper 360°"

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"