Dan O'Brien

Olympic Gold Medalist & Decathlon Champion

Dan Pallotta

Founder & President of Advertising for Humanity and the Charity Defense Council; Author of "Uncharitable" and "Charity Case"

Dan Thurmon

Motivational Change Management & Transformation Speaker; Peak Performance Expert & Author of "Off Balance on Purpose"

Daniel Kraft, M.D.

Physician-Scientist; Founder of Exponential Medicine; Chair for Medicine & Neuroscience at Singularity University

Danny White

Arizona Rattlers Head Coach & General Manager

Daphne Koller

CEO & Founder of insitro

Digital Biology with insitro's Daphne Koller - YouTube

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

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 Williams

Professor of Public Health at Harvard University

DeVon Franklin

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

Deion Sanders

Head Football Coach at the University of Colorado Boulder; NFL Hall of Famer, Two-Time Super Bowl Champion, and Broadcast Analyst

Elevate and Dominate: 21 Ways to Win On and Off the Field

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute

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

Dom Sagolla

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

Don Lemon

Emmy Award-Winning News Anchor & Journalist, Author of "This Is The Fire"

Don Lemon To Launch New Show On X