David Schwimmer

Actor, Director, Producer, Voice Actor and Comedian

David Spade

Actor & Comedian; Known For His Roles in "Joe Dirt" and "Rules of Engagement"

Dax Shepard

Actor, Writer, Director & Host of Popular Podcast "Armchair Expert"

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...

Debbie Gibson

Singer-Songwriter and Reality TV Star; "Only In My Dreams"

Debby Ryan

American Actress, Singer & Star of Disney Series "Jessie" and "Sweet Life on Deck"

Demetri Martin

Comedian & Actor Known for Netflix's "The Overthinker;" Former Contributor on "The Daily Show"

Demián Bichir

Academy-Award Nominated Actor; Best Known for "The Hateful Eight," "Weeds," & "The Bridge"

Dennis Crowley

Co-founder & Executive Chairman of Foursquare; Technology Innovator

Derek Luke

Award-Winning Actor; Best Known for "Antwone Fisher," "Rogue" & "Empire"

Deval Patrick

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

Diane Keaton

Academy Award-Winning Actress & Author

Dick Cheney

Former Vice President of the United States

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

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Donald Glover

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

Donald Sutherland

Actor

Donna Karan

Award-Winning Fashion Designer

Donny Osmond

American Singer, Musician, Actor, Dancer, Radio Personality, and Former Teen Idol

Douglas Conant

Chairman, Avon Products; Founder & CEO, Conantleadership; Chairman, Kellogg Executive Leadership Institute at Northwestern University; Former CEO & President, Campbell Soup Company

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Dr. Hansjörg Leichsenring

Expert on Digital Banking, Innovation, Change Management, Blogger, Author, Keynote Speaker, Bank Manager & Consultant

Dr. Herminia Ibarra

Professor of Organizational Behavior at London Business School & Best-Selling Author

GRACE under pressure: John Baldoni with Herminia Ibarra

Dr. John Kao

Chairman, Institute for Large Scale Innovation, Bestselling Author of "Innovation Nation" and "Jamming: The Art and Discipline of Business Creativity"

Dr. Phil McGraw

"Dr. Phil" Host, NY Times Bestselling Author, Psychologist

Drake

Canadian Actor, Rapper & Singer Known for "One Dance" and "Hotline Bling"

Drew Carey

Actor, Voice Actor & Comedian; Sports Executive; Game Show Host