MC Hammer

Hip Hop Recording Artist, Record Producer & Entrepreneur

Macklemore & Ryan Lewis

Hip Hop Duo; Known For "Thrift Shop"

Maggie Gyllenhaal

Actress, Model & Activist

Maisie Williams

English Actress Known for Portraying Arya Stark in "Game of Thrones"

Mandy Patinkin

Actor Best Known for "Homeland," "Criminal Minds" and "The Princess Bride"

Marc Randolph

Entrepreneur, Netflix Co-Founder, National Best-Selling Author, Executive Mentor & Angel Investor

Marcus Lemonis

Serial Entrepreneur, Investor and Leadership Expert; Chairman and CEO of Camping World; Star of CNBC 'The Profit', 'Streets of Dreams' and HGTV's 'The Renovator'; Philanthropist and Founder of The Lemon-AID Foundation

Margot Robbie

Award-Winning Actress & Producer Known for "Barbie," "Birds of Prey" & "I, Tonya"

Mark Burnett

CEO, One Three Media; Five time Emmy Award Winning Producer

Mark Harmon

American Television and Film Actor

Mark Ronson

Award-Winning Music producer and DJ

Mark Wahlberg

Actor, Producer & Philanthropist

Martha Stewart

Founder of Martha Stewart Living Omnimedia, Emmy Award-Winning Television Show Host, Entrepreneur & Best-Selling Author

Martha Stewart Interview: Recipe for Entrepreneurial Success

Martin Lawrence

Stand-Up Comedian, Actor, Producer & Writer; Best Known for "Martin"

Martin Sheen

Award-Winning Actor Known for "The West Wing" & "Grace and Frankie;" Social Activist & Humanitarian

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Maya Rudolph

Actress, Comedian & Former SNL Cast Member

Megan Rapinoe

Midfielder & Winger on the U.S. Women's National Soccer Team, Olympic Gold Medalist, LGBTQ+ Activist

Meghan Trainor

Grammy Award-Winning Singer & Songwriter; Best Known for "All About That Bass" and "Lips Are Movin"

Melissa Etheridge

Grammy Award-Winning Singer-Songwriter, LGBTQ+ Activist & Breast Cancer Survivor