Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Mae Jemison

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

Alaa Murabit

Architect of the Sustainable Development Goals, Nobel Peace Prize Nominee, Gates Foundation Director & UN High level Commissioner

Retta

Stand-Up Comedian & Actress Known for "Parks and Recreation"

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

Valerie Jarrett

Civic Leader, New York Times Best-Selling Author & Former Senior Advisor to President Obama

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Michelle Obama

Former First Lady of the United States & Bestselling Author

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Yvonne Orji

Actress, Comedian & Writer Known for HBO's "Insecure"

Shonda Rhimes

Executive Producer, Screenwriter, & Author

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Lupita Nyong'o

Academy Award-Winning Actress; Known for "12 Years a Slave," "Black Panther" & "Us"

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Dr. Mikhail Varshavski

Known as "Doctor Mike;" Leading Medical Media Voice Who Communicates the Value of Preventive Medicine

Emmanuel Acho

Fox Sports Analyst, Co-Host & Producer

Ken Jeong

Physician, Comedian & Actor; Best Known for "The Hangover"

Sarah Jessica Parker

Actor, Producer & Businesswoman

Joy Bauer

Nutrition and Health Expert on NBC's "Today Show" & Founder of Nourish Snacks

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Dean Kamen

Founder of FIRST; President of DEKA Research & Development Corporation

John Cena

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

Sugar Ray Leonard

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

Martine Rothblatt

Medical Ethics & Technology Expert; Creator of SiriusXM Satellite Radio, Chairman & CEO of United Therapeutics Corp

Two Stars for Peace: The Case for Using U.S. Statehood to Achieve Lasting Peace in the ...

Ken Dychtwald

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

Charlyne Yi

Writer, Artist, Composer & Actor Known for "House" and "Steven Universe"

John Cleese

British Comedic Actor, Screenwriter & Producer