Tunde Oyeneyin

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

Dr. John Boockvar

Vice Chair of the Department of Neurosurgery at Lenox Hill Hospital & Director of the Department’s Brain Tumor Center; Featured on Netflix's "Lenox Hill"

Hannah Berner

Former Cast Member of "Summer House" on Bravo, Comedian, Mental Health Advocate & Podcaster

Amit Paley

Entrepreneur in Residence at the International Rescue Committee

Alysia Reiner

Actor, Activist & Entrepreneur

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Metta World Peace

NBA Champion and All-Star, Coach, Mental Health Advocate & Entrepreneur

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Patrick Kennedy

Former Congressman (D-RI); Founder of The Kennedy Forum; Co-Founder of One Mind

Jason Silva

Emmy-nominated TV Personality; Futurist; Host of National Geographic Channel’s “Brain Games”

Brandon Marshall

Former NFL Pro Bowler, TV Personality, Mental Health Advocate, Founder, Host of I AM Athlete & CEO of House of Athlete

Jay Williams

Former NBA Player; CEO of Rising Stars Youth Foundation; ESPN Analyst

Montel Williams

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

Sarah Silverman

Stand-Up Comedian, Actress, Singer, Producer & Writer

Brooke Shields

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

Glenn Close

Actress & Advocate

Debra Messing

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

David Harbour

Film & Television Actor; Known for "Stranger Things"

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

Dr. Mehmet Oz

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