Robert Cialdini

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

John Mackey

Co-Founder & CEO, Whole Foods Market

Ice-T

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

Ken Dychtwald

Founder & CEO of Age Wave; Gerontologist & Expert on Aging-Related Issues

Nick Vujicic

Motivational Speaker, NY Times Best-Selling Author, Founder & CEO of Life Without Limbs

Phylicia Rashad

Actress, Dean of Fine Arts at Howard University, Advocate for Children, Women's Issues & Fine Arts

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Paula Abdul

American Singer-Songwriter, Dancer, Choreographer & TV Personality

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Joe Torre

Chief Baseball Officer for Major League Baseball; National Baseball Hall of Famer, 4-Time World Series Champion & 9-Time MLB All-Star

John Stossel

Emmy-Award Winning Journalist

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Kathy Bates

Academy Award-Winning Actress; Cancer Survivor & Chairperson for the Lymphatic Education & Research Network

Laverne Cox

Award-Winning Transgender Actress, Producer & Equal Rights Advocate

Amandla Stenberg

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

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Sheryl Lee Ralph

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

Tim Ferriss

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

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY