Demi Lovato

Grammy Nominated Singer-Songwriter, Musician, Philanthropist & Mental Health Advocate

Jonathan Van Ness

Hair & Beauty Expert, Author, Television Personality; Known for Netflix's "Queer Eye"

Montel Williams

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

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

David Feherty

Golf Commentator for LIV Golf; TV Host, Bestselling Author & Former PGA Tour Pro

Anderson Cooper

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

Glennon Doyle

Author, Activist & Founder of Together Rising

Russell Brand

Comedian, Actor, Radio Host, Author & Activist

Candace Cameron Bure

Women & Youth Speaker Best Known for Her Role on "Full House" & "Fuller House"; Former Co-Star on "The View"

Glenn Beck

Political Commentator; Television Producer & Radio Host of "The Glenn Beck Program"

Dr. Phil McGraw

"Dr. Phil" Host, NY Times Bestselling Author, Psychologist

Caitlyn Jenner

TV Personality & Olympic Gold Medalist; Co-Host of "Keeping Up With Sports"

Bob Costas

Award-Winning Sportscaster, Broadcaster & Best-Selling Author

Rachel Hollis

#1 New York Times Best-Selling Author of "Girl, Wash Your Face"; Entrepreneur & Lifestyle Expert

Johann Hari

Journalist & Best-Selling Author of "Chasing the Scream"

Magic Pill: The Extraordinary Benefits and Disturbing Risks of the New Weight-Loss Drugs

Norman Doidge

Psychiatrist & Author of "The Brain's Way of Healing"

Lily Collins

Actress, Model & Author Best Known For "Emily in Paris"

Lily Collins - Vogue Scandinavia

Dr. Mehmet Oz

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

Mayim Bialik

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

Brittany Snow

Actress, Producer, Director, Singer & Co-Founder of Love Is Louder

Kid Cudi

Rapper, Singer & Actor; Known for "Pursuit of Happiness" & "Man on the Moon"

Carla Hall

Co-Star of "Crazy Delicious;" Host of Discovery+'s "Foodways" & the "Say Yes!" Podcast

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Daniel Amen

Award-Winning Psychiatrist & Best Selling Author

Raising Mentally Strong Kids: How to Combine the Power of Neuroscience with Love and Lo...

Elizabeth Vargas

Emmy Award-Winning Journalist; Best-Selling Author; Anchor for NewsNation

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"

John Stossel

Emmy-Award Winning Journalist

Dennis Quaid

Actor / Patient Safety Advocate

Ashley Judd

Actress, Activist & Humanitarian

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author