Margaret A. Hamburg

Foreign Secretary, National Academy of Medicine; Former Commissioner, US FDA

Maria Bello

Actress, Activist & Vital Voices Global Ambassador

Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Type-1 Diabetic

Marisa Tomei

Academy Award-Winning Actress; Known for Her Roles in "My Cousin Vinny," and "Spiderman: Far From Home"

Mark Cuban

Serial Entrepreneur, Investor & Owner of the Dallas Mavericks

Mark Sanborn

Leadership, Teamwork & Performance Expert; New York Times Bestselling Author; President of Sanborn & Associates

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Marlen Esparza

Professional Boxer, 2012 Olympic Bronze Medalist & World Champion

Mary Barra

CEO of General Motors; First Female CEO of a Major Global Automaker

GM CEO Mary Barra on $10 billion stock buyback, Cruise ...

Mary Ehrenworth

Deputy Director of Teachers College Reading and Writing Project

Mary LoVerde

International Work-Life Balance Expert

Mary Nolan

Executive Chef at Bon Appetit Magazine & Former Food Network Personality

Matt Miller

Fortune Columnist, Author & Radio Host

Matthew Bishop

Nonresident Senior Fellow of Global Economy and Development at the Center for Sustainable Development

Matthew Luhn

Former Pixar Animator, Story Artist, Creativity Expert & Author

Matthew Quick

Bestselling Author Known For "The Silver Linings Playbook"

Matthew Sandusky

Child Sexual Abuse Survivor, Motivational Speaker & Founder of Peaceful Hearts Foundation

Matthew Weiner

Creator & Executive Producer of "Mad Men" &"The Sopranos"

Maya L. Harris

Influential Voice at the Intersection of Politics, Public Policy & Civil Rights; Former Campaign Chairwoman for Kamala Harris's 2020 Presidential Bid

Mayor Bob Foster

Mayor of Long Beach