Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Type-1 Diabetic

Brené Brown

Professor at the University of Houston; #1 New York Times Best-Selling Author; Best Known for "Daring Greatly"

Dascha Polanco

Dominican-American Actress; Best Known for "Orange is the New Black" & "In The Heights"

Brittany Snow

Actress, Producer, Director, Singer Known for the "Pitch Perfect" Franchise, "Hairspray" & "Parachute"; Co-Founder of Love Is Louder

Benjamin Zander

Conductor of the Boston Philharmonic Orchestra; Music Teacher, Celebrated Leadership & Performance Expert

Lupita Nyong'o

Academy Award-Winning Actress; Known for "12 Years a Slave," "Black Panther" & "Us"

Kali Uchis

Singer, Songwriter, Record Producer, Music Video Director & Fashion Designer

Kali Uchis - ABC News

Jeffrey Pfeffer

Organizational Behavior Professor, Author, Evidence-Based Management Expert

Jason Silva

Filmmaker, Philosopher, Host of "Brain Games"

James Clear

#1 New York Times Bestseller of "Atomic Habits" & Personal Development Expert

Michael J. Fox

Actor, Author and Advocate; Founder, The Michael J. Fox Foundation for Parkinson’s Research

Michael Liebreich

Chairman & CEO of Liebreich Associates; Senior Contributor, Bloomberg New Energy Finance; Authority on Clean Energy, Transportation, Climate Finance & Sustainable Development

Ken Dychtwald

Founder & CEO of Age Wave, Psychologist, Gerontologist, Documentary Filmmaker, Entrepreneur & Best-Selling Author

Searching for the Fountain of Health

Stacy London

Style Expert and Media Maven, Former Co-Host of TLC's "What Not to Wear," New York Times Best-Selling Author, Founder & CEO of State Of Menopause

Stacy London | PEOPLE

Kenan Thompson

Primetime Emmy-Nominated Actor, Comedian & Longest-Running "SNL" Cast Member

SNL Stories with Seth Meyers, Fred Armisen & Kenan Thompson

Everette Taylor

Creative Entrepreneur & CEO of Kickstarter; Diversity in Tech Advocate

Elizabeth Vargas

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

Lori Greiner

Self-Made Mogul, Inventor & Entrepreneur Who Has Created 500+ Products; Known for "Shark Tank"

Joseph Gordon-Levitt

Founder of HitRecord & Actor Known for "Inception" & "The Dark Knight Rises"

Michelle Rhee

Founder of StudentsFirst & Education Reform Advocate; Former D.C. Public Schools Chancellor