David Aikman

Best-selling author & former TIME Magazine Sr. Correspondent

David Houle

Global Futurist & Strategist, Honorary President and Futurist of the Future Business School of China. Houle won two Emmys, a Peabody award and the Heartland award for "Hank Aaron: Chasing the Dream"

Moving to a Finite Earth Economy | David Houle | TEDxUofIChicago

David Remnick

Editor, The New Yorker

David Stillman

Generational Expert, GenZ Guru & Best Selling Author

David Thornburg

Award-Winning Futurist, Author & Educational Consultant

Dawnn Lewis

Grammy Award-Winning Singer / Actress

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Dean Karnazes

The “Ultramarathon Man”, Ran 3,000 Miles Across the Country with Live! with Regis and Kelly’s “Run Across America” in 2011

Debbie Gibson

Singer-Songwriter and Reality TV Star; "Only In My Dreams"

Demetri Martin

Comedian & Actor Known for Netflix's "The Overthinker;" Former Contributor on "The Daily Show"

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Dennis Mannering

Business Motivator on the Topics of Leadership, Sales and Customer Service

Desi Williamson

Certified Dare to Lead Facilitator, Motivational Coach & Entrepreneur

Dewitt Jones

Motivator & Photojournalist

Dominique Wilkins

Former Professional Basketball Player, Vice President of the Atlanta Hawks, Board Chairman of KultureCity & Disability Advocate

Don McMillan

Corporate Comedian Known for his 'Nerdy' Sense of Humor

Donald Glover

Award-Winning Actor, Comedian, Writer, Director & Musician; Performs as Childish Gambino

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Ambri: A Battery that Could Change the World

Dr. Alan Zimmerman

International Expert, Author, & Keynote Speaker on Attitude, Communication and Leadership

Dr. Dean Ornish

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