John Cena

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

Matthew Kelly

Internationally-Acclaimed Speaker & Bestselling Author

Nothing Is Random: The Old, The New, and The Enduring Ideas In Business

Garry Kasparov

World Champion Chess Expert & Strategist; Chairman of the Human Rights Foundation based in New York

Sugar Ray Leonard

Legendary Sports Icon, Olympic Champion and Hall of Famer, Philanthropist, Bestselling Author & Television Personality

Ken Dychtwald

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

Jeffrey Tambor

Emmy Award-Winning Actor of "Arrested Development," "The Hangover" & "Transparent"

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Holly Robinson Peete

TV Personality & Autism Advocate

Queen Latifah

Singer-Songwriter, Rapper, Actress, Television & Record Producer, Talk Show Host

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"

Jo Koy

Stand-Up Comedian & Regular on "Chelsea Lately"

Comedian Jo Koy to host the Golden Globe Awards - CBS News

Jay Leno

Emmy Award-Winning TV Late Night Show Host, Stand-Up Comedian & Best-Selling Author

Gabrielle Bernstein

Founder of HerFuture.com & New-York Times Best-Selling Author

Melissa McCarthy

Actress, Comedian, Writer, Producer & Fashion Designer Known For "Bridesmaids," "Can You Ever Forgive Me?" & "The Little Mermaid"

3 Rounds with Melissa McCarthy | Entertainment Weekly

Ivanka Trump

Executive Vice President of Acquisitions & Development, Trump Organization; Founder, Ivanka Trump Collection

Andrew Zimmern

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

Kellie Pickler

Country Music Artist, American Idol Alum, "Dancing with the Stars" Winner & Host of Daytime Talk Show "Pickler & Ben"

Martin Short

Iconic Comedian, Actor & Writer; Known for "Only Murders in the Building"

Kathryn Bigelow

First Woman to Win an Academy Award for Best Director; Known for "Zero Dark Thirty" & "The Hurt Locker"

Leighton Meester

Actress, Singer, Best known as Blair Waldorf in Gossip Girl