Tara Brach

Author & Mindfulness Teacher; Host of the "Tara Brach" Podcast

Trusting the Gold: Uncovering Your Natural Goodness

Simone Biles

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

Johann Hari

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

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

Troye Sivan

Australian-South African Actor, YouTuber & Singer-Songwriter; Recently Signed a Record Deal with Universal Music

Richard Sherman

Former All-Pro NFL Cornerback; NFL Analyst & Commentator; Co-host of 'Undisputed'

David Perlmutter

Renowned Neurologist, Expert on Gluten Issues, Brain Health, Nutrition & Preventing Disease

James Park

CEO & Co-founder of Fitbit

Troian Bellisario

Stars as Spencer Hastings in the ABC Family Series "Pretty Little Liars"

Ron Paul

Political Speaker, Former United States Congressman & 2012 Republican Presidential Candidate

Andy Puddicombe

Co-Founder of Headspace

David Moinina Sengeh

Minister Of Basic and Senior Secondary Education & Chief Innovation Officer for the Government of Sierra Leone

Matt Groening

Cartoonist, Screenwriter and Producer; Known for "The Simpsons" and "Futurama"

Ray Allen

Professional Basketball Player and Olympic Gold Medalist

Norman Doidge

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

Terrell Owens

Former NFL Wide Receiver, NFL Hall of Famer & Alzheimer's Advocate

Matt Leinart

FOX Sports 1 College Football Analyst; Former American Football Quarterback

Hugh Jackman

Australian Actor, Producer & Philanthropist

Dustin Hoffman

American Actor with a Career in Film, Television, and Theatre Since 1960

Kesha

Pop Singer Known For "Tik Tok," "Your Love Is My Drug" & "Praying"

Greg Olsen

Former NFL Tight End, Football Sportscaster & Founder of Receptions for Research: The Greg Olsen Foundation