John Legend

EGOT Winning Musician, Producer & Philantropist

Richard Dreyfuss

Academy Award-Winning Actor

Nick Vujicic

Motivational Speaker, NY Times Best-Selling Author, Founder & CEO of Life Without Limbs

Judge Greg Mathis

Civil Rights Activist, Television Personality

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Dan Marino

Pro Football Hall of Famer, Business Owner & Founder of the Dan Marino Foundation for Improving The Lives of Those on the Autism Spectrum

Les Brown

Motivator, TV Personality & Best-Selling Author

LeVar Burton

Literacy Advocate & Actor Known for "Roots," "Star Trek" & "Reading Rainbow"

Arne Duncan

Managing Partner at Emerson Collective; Former U.S. Secretary of Education

Michelle Obama

Former First Lady of the United States & Bestselling Author

Anousheh Ansari

CEO of X Prize Foundation & First Female Private Space Explorer

Pranav Mistry

Computer Scientist & Inventor

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

Amy Purdy

Former "Dancing with the Stars" Contestant & Paralympic Professional Snowboarder

Jalen Rose

Former ESPN Analyst & NBA Player

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

Oprah Winfrey: Broken Open | Oprah's Super Soul | OWN Podcasts ...

Elizabeth Vargas

Emmy Award-Winning Journalist; Best-Selling Author; Anchor for NewsNation

Mae Jemison

First Black Woman in Space & Former NASA Astronaut; National Women's & International Space Hall of Famer Founder, 100 Year Starship

Russell Simmons

Entrepreneur & Philanthropist

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis