David Zilber

Professional Chef & Fermentation Expert and Author of "The Noma Guide to Fermentation (Foundations of Flavor)"

The Noma Guide to Fermentation (Foundations of Flavor)

David Zinczenko

Founder & CEO of Galvanized; Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Davide Oldani

Italian Chef & Creator of Cucina POP

Davyd Smith

Dean Kamen

Founder of FIRST; President of DEKA Research & Development Corporation

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 Williams

Health & Wellness Leader, CEO of Ask Debbie About Hair & Health and Pure 7 Naturals and Author of "I Got A Juice For That"

Deborah B. Horn

Medical Director, Center for Obesity Medicine and Metabolic Performance, University of Texas McGovern Medical School

Deborah MacDonald

Health and Wellness Consultant and Trainer

Debra Atkinson

As the Voice for Fitness, writing, speaking and motivating audiences to get more out of life by putting more into it.

Deep Joshi

Professional & National Cricketer, Coach, and Entrepreneur

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Dennis Kucinich

Fox News Contributor, Former Ohio US Representative and Two-Time Presidential Candidate

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Devin Alexander

New York Times Bestselling Author, Celebrity Chef Known For "Biggest Loser"

Diana Rodgers

Author, Blogger and Nutrition Expert

Dianne McGrath

Researcher, Consultant & Sustainability Leader; Formerly a Mars One Astronaut Candidate & Currently Circumnavigating the Planet

Dinesh Kalra

Chief of Cardiology & Expert In Heart Disease

Dionne Laslo-Baker

Founder & CEO at DeeBee’s Organics

Dionne Laslo-Baker, - Women of Influence

Domenica Catelli

Celebrity Chef, Best Selling Author, Organic Food, Health and Nutrition Advocate