Lauren Bush

Founder & CEO of FEED Projects; Model & Fashion Designer; Granddaughter of Former President George H. W. Bush

Leigh Anne Tuohy

Inspirational Subject of "The Blind Side"

Leymah Gbowee

Liberian Peace Activist, Social Worker & Women's Rights Advocate; 2011 Nobel Peace Laureate

Linda Armstrong Kelly

Single Mother of Lance Armstrong; Philanthropist & Advocate for Children

Lisa Oz

Best-Selling Author, Producer, Host & Entrepreneur

Malaak Compton

Activist & Philanthropist

Marcela Valladolid

Host of "Mexican Made Easy" on the Food Network

Marco Tempest

Cyber-Illusionist

Marcus Luttrell

Decorated Navy SEAL & Bestselling Author of "Lone Survivor"

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

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

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf

Mary Lambert

Singer-Songwriter; known for her work on Macklemore's "Same Love"

Mary Roach

TED Speaker & Author Known for "Packing For Mars"

Matthew Kelly

Internationally-Acclaimed Speaker & Bestselling Author

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

Michael Gelb

Educator, Innovation & Creativity Expert; Author of "How To Think Like Leonardo Da Vinci"

Michael Treacy

Best-Selling Author, Entrepreneur & Business Adviser

Michelle Rhee

Founder of StudentsFirst & Education Reform Advocate; Former D.C. Public Schools Chancellor