Darren McGrady

Former Chef to British Royalty

Dave Logan, PhD

Co-Founder of Care4th LLC & Author of New York Times #1 Bestseller "Tribal Leadership"

Dave McClure

Entrepreneur & Startup Advisor, 500 Hats

Dave Winfield

National Baseball Hall of Famer & Advisor to the Executive Director of the Major League Baseball Players Association

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

David Banner

Rapper, Record Producer, Activist & Actor

David Kirkpatrick

Best-Selling Author of The Facebook Effect, Technology & Internet Expert

David McCandless

Author of "Information Is Beautiful" & Infographics Expert

David Rosengarten

Chef & TV Personality; Author of Award-winning Cookbook "It's All American Food"

David Shipler

Pulitzer Prize-Winning Author, Former Foreign Correspondent of The New York Times, Online Writer for The Shipler Report

Dartmouth - David Shipler '64: "The Working Poor: Invisible in ...

David Williams

Professor of Public Health at Harvard University

David Zinczenko

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

DeVon Franklin

Award-Winning Producer, New York Times Bestselling Author & Motivational Speaker

Debbie Allen

Creative Marketing Expert & Business Speaker

Deborah Roberts

ABC News Network Correspondent; Author, "Been There, Done That: Family Wisdom For Modern Times"

Delvin Choice

Top 8 Finalist on Season 6 of NBC's 'The Voice'

Dennis Prager

Host of the Dennis Prager Radio Show, Co-Founder of Prager University, NY Times Bestselling Author & Columnist

Diane Rehm

Radio Talk-Show Host

Dick Vermeil

NFL Hall of Fame Coach, NFL Super Bowl Winning Head Coach for the Philadelphia Eagles, St. Louis Rams & Kansas City Chiefs

Dinesh D'Souza

Best-Selling Author, Filmmaker & Conservative Political Commentator

Dolvett Quince

Fitness Guru & Trainer from "The Biggest Loser"

Dom Sagolla

Co-Creator of Twitter; Author of "140 Characters"

Doug Lipp

Former Head of Training at Walt Disney University & Bestselling Author; International Keynote Speaker

Dr. Bernice King

Minister, Attorney, Author & Daughter of Dr. Martin Luther King Jr.

Dr. Bill Conerly

Economist & Future Forecaster

Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

Dr. Gary Chapman

Pastor, Speaker & Author of "The 5 Love Languages"

Loving Adopted Children Well: A 5 Love Languages® Approach

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Dr. Jeffrey Bauer

Health Futurist, Author & Medical Economist

Dr. Joel Selanikio

Award-Winning Physician, Health & Technology Activist, CEO of Magpi & Founding Member of WHO’s Digital Health Roster of Experts