Jennifer Coolidge

Actress Known for "Legally Blonde," "American Pie" & "The White Lotus"

Amandla Stenberg

Actor, Singer & Activist Known for "The Hate U Give," "The Hunger Games" & "Everything, Everything"

Lisa Vanderpump

Entrepreneur, TV Personality, Author & Philanthropist

Lisa Vanderpump Tells Us About Her First Times

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Aubrey Plaza

Actress, Comedian & Producer Known for NBC's "Parks and Recreation"

Robert Cialdini

New York Times Best-Selling Author; The Foundational Expert in the Science of Influence & Persuasion

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Bert Jacobs

Co-Founder & Chief Executive Optimist of Life is Good

Sheryl Lee Ralph

Actress, Broadway Singer & Producer; Known for "Abbott Elementary"

Robert Herjavec

Executive Producer & Star of ABC’s "Shark Tank;" CEO of Cyderes

Nassim Nicholas Taleb

Distinguished Professor of Risk Engineering & Co-Director of the Research Centre for Risk Engineering at the Polytechnic Institute of New York University

Demi Lovato

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

Tim Ferriss

Angel Investor & Author of "The 4-Hour Workweek"

John Cena

WWE Professional Wrestler, Bodybuilder, and Actor Known for "Trainwreck"

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Ice-T

Rapper, Record Producer & Actor Known for "Law & Order: SVU"

Pharrell Williams

Singer-Songwriter, Producer & Entrepreneur; Known for the Hit Single, "Happy"

Andrew Zimmern

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

Chelsea Handler

Comedian, TV Personality & Author

Michael J. Fox

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

Michael J. Fox on latest Parkinson's research and how he's ...