Rosanne Cash

Grammy-Winning Singer & Songwriter Known for "Seven Year Ache"

Anna Wintour

Global Editorial Director of Vogue & Chief Content Officer at Conde Nast

Fred Armisen

Actor, Writer, Producer, Director, Musician and Comedian; Known for "Portlandia"

Norah O'Donnell

Anchor of the CBS Evening News & Correspondent for 60 Minutes

Nick Lachey

Singer-Songwriter, Actor & Member of 98°

Lolly Daskal

President & Founder of Lead from Within; Author of "Thoughts Spoken from the Heart"

Samantha Brown

Travel Expert & Host of "Samantha Brown's Places to Love"

John McEnroe

Retired World No. 1 Tennis Player in Singles & Doubles; International Tennis Hall of Famer & Author of "You Cannot Be Serious"

Frances McDormand

Emmy, Oscar & Tony Award-Winning Actress

Kyra Sedgwick

Actress; Best Known for the Role of Deputy Chief Brenda Leigh Johnson on TNT's "The Closer"

Al Roker

Co-Host NBC Today Show Media Entrepreneur, Author

La La Anthony

Actress & Television Personality

Zosia Mamet

Actress Known for Her Role in HBO's "Girls"

Paul Giamatti

Actor; Appeared in "Sideways" and "The Illusionist"

Paul Giamatti | Full Q&A | Oxford Union

Rev. Run

Member of the Hip Hop Group Run–D.M.C; Starred on the Reality TV Series "Run's House"

Mandy Patinkin

Actor Best Known for "Homeland," "Criminal Minds" and "The Princess Bride"

Steven Rattner

Chairman at Willett Advisors LLC; Contributing Op-Ed Writer at The New York Times; Economic Analyst at MSNBC's "Morning Joe"

Steve Rattner: Confusion, misinformation clouds immigration debate ...

Daniel Ek

Entrepreneur, Technologist, CEO & Co-Founder of Spotify

James Watson

Molecular Biologist, Geneticist & Zoologist

Geoffrey Zakarian

Chef, Winner of Next Iron Chef Judge, Chopped, 24 Restaurant Battle, The Next Iron Chef: Super Chefs, Co-Host, Food Network's "The Kitchen"