Jared Leto

Academy Award-Winning Actor Known for "Dallas Buyers Club," "Requiem for a Dream" & "Suicide Squad;" Lead Singer for Band '30 Seconds to Mars'

James Franco

Actor and Filmmaker; Known for "Oz the Great and Powerful" and "Spider-Man"

Christina Perri

American Singer-Songwriter and Musician

Shawn Achor

Harvard Professor, Researcher, Positive Psychology Expert, Author of "The Happiness Advantage" & "Big Potential"

Wynton Marsalis

Grammy & Pulitzer Prize-Winning Musician; Artistic Director of Jazz at Lincoln Center

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

Lin-Manuel Miranda

Tony Award-Winning Actor, Composer, & Lyricist; Known for "In The Heights," "Bring it On the Musical" & "Hamilton"

Andrew Zimmern

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

Maria Shriver

Journalist, Best-Selling Author, Entrepreneur & Former First Lady of California

Chimamanda Ngozi Adichie

Renowned African Novelist & Speaker

Buddy Valastro

Host of "The Cake Boss" & "The Next Great Baker"

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Hoda Kotb

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

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Andy Cohen

Emmy Award-Winning Host & Producer of Bravo’s "Watch What Happens: Live"

Andy Cohen reacts to his infamous New Year’s Eve rant

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"

Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

India.Arie

Grammy Award-Winning Singer, Songwriter, Record Producer & Actress

Benjamin Zander

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

How to Live a Life of Possibility | Benjamin Zander - YouTube

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist