Rorion Gracie

Founder of the UFC, Grand Master of Brazilian/Gracie Jiu-Jitsu & Author

David O. Brown

Former Chief of the Dallas Police Department

Renee Taylor

Award-winning actress

Flo Milli

Rapper Known for "Ho, why is you here?"

Flo Milli - FLO MILLI (Official Video)

Chris Daughtry

Lead vocalist and rhythm guitarist for the rock band Daughtry; the fourth-place contestant on the fifth season of American Idol

Dianne Buckner

Canadian TV Journalist; Host of CBS "Dragons' Den"

Hal Hershfield

UCLA Professor of Marketing & Psychology; Author of "Your Future Self: How to Make Tomorrow Better Today"

Your Future Self: How to Make Tomorrow Better Today

Boston

Rock Band Known for "More Than a Feeling"

Lauren Spencer-Smith

Singer-Songwriter Known for "Fingers Crossed" & "Flowers"

Eileen Pheland

Founder/President of Smile & Gratitude Charity Foundation, Inc., Author

Jake Bugg

English Singer-Songwriter

Felipe Gonzalez

Former President of Spain

Partynextdoor

Rapper, Singer, Songwriter & Record Producer

Holly Robinson Peete & Rodney Peete

Actress, Author, Activist, Philanthropist; Sports Star, TV/Radio Personality, Author

Robert Kirkman

Writer and Creator of "Outcast," "The Walking Dead" and its Spin-off, "Fear the Walking Dead"

Lily Allen

Recording Artist & TV Presenter; Known for the Hit "Smile"

Raphael Saadiq

American Singer, Songwriter, Musician, Guitarist, and Record Producer.

Calum Scott

English-Canadian Singer-Songwriter

Meghan Trainor

Grammy Award-Winning Singer & Songwriter; Best Known for "All About That Bass" and "Lips Are Movin"

Omar Apollo

Grammy Award Nominated Singer & Songwriter