Dan Heath

Bestselling Author, Senior Fellow at Duke University’s CASE Center & Co-Founder of Thinkwell

Dan Schulman

President & CEO of PayPal; Former President of American Express

Dana Brunetti

Producer Known For Works Like "The Social Network," "House of Cards" and the Upcoming "50 Shades of Grey"

Dana Perino

Political Commentator, Co-Anchor of "America's Newsroom" & Podcast Host of "Perino on Politics"; Former White House Press Secretary

Danai Gurira

Actress, Best Known for "Black Panther" & "The Walking Dead"

Daniel Ek

Entrepreneur, Technologist, CEO & Co-Founder of Spotify

Daniel Lubetzky

Founder and CEO of KIND Healthy Snacks; Author of "Do the KIND Thing"

Darrell Waltrip

Retired NASCAR Driver; NASCAR FOX Television Commentator

Darren Woodson

Three-Time Super Bowl Champion & Five-Time Pro Bowl Selection; ESPN NFL Analyst; Founder & CEO, Counter Find

David Karp

Founder of Tumblr

David Mamet

Pulitzer Prize-Winning Playwright

Debbie Allen

Actress, Dancer, Choreographer, Producer; Known for "Grey's Anatomy"

Debbie Allen's 'Hot Chocolate Nutcracker' returns, blending tradition with a twist of c...

Dennis Crowley

Co-founder & Executive Chairman of Foursquare; Technology Innovator

Deval Patrick

Two-term Governor of Massachusetts, Civil Rights Attorney & Business Leader

Dick Costolo

Former CEO of Twitter and Co-Founder of Feedburner

Diego Luna

Mexican Director & Actor; Best Known for "Narcos: Mexico" & "Rogue One"; Co-Founder, Canana Films

Diplo

American DJ & Music Producer; Founder of Mad Decent

Dolly Parton

Country Singer-Songwriter, Actress, Author & Philanthropist

Donald Glover

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

Donna Karan

Award-Winning Fashion Designer