Harry Connick Jr.

Grammy & Emmy Award-Winning Singer

Natalie Portman

Academy Award-Winning Actress Known for "Black Swan," "V for Vendetta," the "Star Wars" Prequel Trilogy & "May December"; Women in STEM Advocate & Animal Rights Activist

Natalie Portman on self-confidence and performing from an early ...

Bette Midler

Entertainer & Award-Winning Actress & Singer

Mike Shinoda

Musician & Co-Founding Member of Linkin Park & For Minor; Co-Founder of Machine Shop Ventures

Adam Horovitz

Rapper & Guitarist; Best Known as a Member of the Beastie Boys

Michael Rosenbaum

Actor, Producer, Singer & Comedian; Known for Playing Lex Luthor on "Smallville"

David Geffen

Business Magnate, Producer, Film Studio Executive & Philanthropist

Mike Posner

Grammy Nominated Singer-Songwriter and Music Producer; Best Known for "Cooler Than Me" & "I Took a Pill in Ibiza"

5 Lessons on Happiness | Mike Posner | TED

Bob Dylan

Legendary Singer-Songwriter and Entertainer; Known for "The Times They Are a-Changin'"

Ben Harper

Grammy Award-Winning Singer-Songwriter, Multi-Instrumentalist & Activist

Adam Lambert

Singer-Songwriter and Stage Actor; Contestant on "American Idol"

Adam Goldberg

Actor, Director, Producer & Musician

Ashley Tisdale

Actress, Singer & Producer

Robert Downey Jr.

Academy Award-Winning Actor & Producer

Michael Bolton

Singer-Songwriter Known for his Soft Rock Ballads

Lyor Cohen

Music Industry Executive; Founder of 300

Jay Baruchel

Canadian Actor & Comedian; Known for "She's Out of My League," "This is the End," "Blackberry" & "Humane"

Generalized Anxiety Disorder and What I Would Tell #MyYoungerSelf 

Sir Ben Kingsley

Academy Award-Winning Actor Known for "Gandhi" & "Schindler's List"

Sir Ben Kingsley Breaks Down His Most Iconic Characters | GQ

Gabriel Macht

Actor, Best Known for His Role on USA's Hit Series "Suits"

Liev Schreiber

Actor, Producer, Director, and Screenwriter & Co-Founder of BlueCheck Ukraine

Liev Schreiber | Temple Emanu-El NYC

Jimmy Iovine

Co-Founder of Interscope Records, Beats Electronics, The USC Iovine and Young Academy & The Iovine and Young Center

USC Unveils Iovine and Young Hall: The House That Jimmy and Dre Built

Mark Cuban

Serial Entrepreneur, Investor & Co-Founder of Cost Plus Drugs; Former Shark on ABC's "Shark Tank"

Mark Cuban Answers Business Questions From Twitter | Tech Support | WIRED

2 Chainz

Grammy Award-Winning Rapper, Songwriter & Entrepreneur; Founder of The Real University Record Label & Minority Owner in College Park Shyhawks

Corey Feldman

Actor & Musician Known for "The Goonies" & "Stand By Me"

Leslie Moonves

President and CEO, CBS Corp.

Steven Spielberg

Oscar Award-Winning Filmmaker

Frank Oz

Film Director, Actor & Puppeteer, Best Known for Being the Creator and Performer of Yoda, Miss Piggy & Cookie Monster

Zoë Kravitz

Actress & Director Known for "Blink Twice," "Mad Max: Fury Road" & "The Batman"; Frontwoman of Lolawolf; Racial Equality, Body Positivity & Sustainability Advocate

Zoë Kravitz on "Blink Twice" and directing fiancé Channing Tatum

Nikki Reed

Actress, Singer-Songwriter & Model; Founder & CEO of Eco-Sustainable Fashion Brand Bayou With Love; Autism & Environmental Advocate

Bryan Greenberg

Actor Known for his Roles in "One Tree Hill," "Bride Wars" and "How to Make It In America," Among Others