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 Rich

Keynote Speaker and Leading Expert on Persuasion and Motivation

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

Davis Guggenheim

Academy Award-Winning Director & Producer Known for "He Named Me Malala," "An Inconvenient Truth," "Waiting for Superman" & "Still: A Michael J. Fox Movie"

DeVon Franklin

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

Dean Kamen

Founder of FIRST; President of DEKA Research & Development Corporation

Debbie Allen

Creative Marketing Expert & Business Speaker

Deborah Roberts

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

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

Delvin Choice

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

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 Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Diane Rehm

Radio Talk-Show Host