Jesse Metcalfe

Actor, Best Known "Passions," "Desperate Housewives," "John Tucker Must Die" and "Dallas"

Richard Besser

President & CEO of the Robert Wood Johnson Foundation; Former Chief Health & Medical Editor for ABC News

Angie Miller

Musician and Top Three Contestant on Season 12 of "American Idol"

Lily Tomlin

Actress & Comedian; Star of Netflix's "Grace and Frankie"

Keke Palmer

Actress & Youngest Talk Show Host in TV History

Jon Bergmann

Pioneer of the Flipped Class Movement & Bestselling Author of "Flip Your Classroom"; Member of the TED-Education Advisory Board

Janine di Giovanni

Author, Award-Winning Foreign & War Correspondent; Visiting Fellow at Yale Law School & Executive Director The Reckoning Project

Shonda Rhimes

Executive Producer, Screenwriter, & Author

Shonda Rhimes Reveals SHOCKING Method Behind Her Creative ...

Issa Rae

Actress, Writer, Director & Producer Known for HBO's "Insecure" & "Awkward Black Girl"

Mayim Bialik

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

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY

Robert Ballard

Renowned Ocean Explorer & Scientist

Cynthia Nixon

Actress Known for her Role as Miranda Hobbes on HBO's "Sex and the City"; Former Candidate for Governor of New York

Sheryl Lee Ralph

Actress, Broadway Singer & Producer; Known for "Abbott Elementary"

Brooke Shields

Actress; Model; Women's Health, Aging & Mental Wellness Advocate

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate