Lena Dunham

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

Alice Walker

Pulitzer Prize & National Book Award-Winning Author; Best Known for "The Color Purple"

John Green

New York Times Bestselling Author, Known for "The Fault in Our Stars," "Looking for Alaska" & "Paper Towns"

Ricki Lake

Actress, Producer, Author Host, The Ricki Lake Show

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Dick Costolo

Former CEO of Twitter and Co-Founder of Feedburner

Drew Houston

Co-Founder & CEO of Dropbox

How a Billionaire CEO Learns | Drew Houston

Angela Ahrendts

Former SVP of Retail at Apple & Former CEO of Burberry

Nicholas Sparks

International Bestselling Novelist & Screenwriter, Known for "The Notebook"

Nick Kroll

Actor & Comedian; Best Known for "Big Mouth," "Kroll Show" & "The League"

Nick Kroll on Mel Brooks, His Son's First Bday, and more!

Bill Clinton

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

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Jeffrey Garten

Professor, Yale School of Management and Expert on Global Business Strategy

Gail Simmons

Culinary Expert, Food Writer, and TV Personality; Best Known as the Host of Bravo's "Top Chef"

Kunal Nayyar

Actor Known for "The Big Bang Theory"

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist; Epilepsy Survivor

John P. Kotter

Leadership & Change Management Guru

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Elliot Page

Actor Known For His Roles in "Juno" & "Inception"