Scott Conant

Celebrity Chef, Judge on Food Network's Chopped, Author, Bold Italian

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 ...

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Douglas Conant

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

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates

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"

Dennis Crowley

Co-founder & Executive Chairman of Foursquare; Technology Innovator

Tim Armstrong

Former CEO of AOL; Founder & CEO of the dtx company

Lena Dunham

Writer, Director, Actor & Producer Best Known for HBO’s “Girls”

Martha Stewart

Founder of Martha Stewart Living Omnimedia, Emmy Award-Winning Television Show Host, Entrepreneur & Best-Selling Author

Martha Stewart Interview: Recipe for Entrepreneurial Success

Bill Clinton

42nd President of the United States; Founder of the William J. Clinton Foundation

Danielle Brooks

TV, Film & Broadway Actress Known for "Orange is the New Black," "Peacemaker" & "The Color Purple"

Danielle Brooks On “The Piano Lesson” & Viral “The Color Purple” Callback

Paul Giamatti

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

Paul Giamatti | Full Q&A | Oxford Union

Donna Karan

Award-Winning Fashion Designer

Gayle King

Co-Host of "CBS This Morning" & Editor-At-Large of O, The Oprah Magazine

Frances McDormand

Emmy, Oscar & Tony Award-Winning Actress

Martin Sheen

Award-Winning Actor Known for "The West Wing" & "Grace and Frankie;" Social Activist & Humanitarian

Kyra Sedgwick

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

Katharine McPhee

American Pop Singer, Songwriter and Actress; Known for Her Role on NBC's "Smash"

Sam Palmisano

Former Chairman, President & Chief Executive Officer IBM Corporation