Mark Cuban

Serial Entrepreneur, Investor & Owner of the Dallas Mavericks

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Chelsea Handler

Comedian, TV Personality & Author

Joseph Gordon-Levitt

Founder of HitRecord & Actor Known for "Inception" & "The Dark Knight Rises"

Sarah Michelle Gellar

Television & Film Actress, Co-Founder of Foodstirs

Suze Orman

Expert Financial Advisor, Former Host of "The Suze Orman Show" & Best-Selling Author

Suze Orman - Yahoo Finance

Howard Schultz

Executive Chairman & Former CEO of Starbucks; Former Owner of the Seattle SuperSonics

Jason Alexander

Actor, Writer & Director; Best Known for His Work on "Seinfeld"

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Natalie Portman

Award-Winning Actress Known for "Black Swan," "V for Vendetta" & Playing Padmé Amidala in the Star Wars Prequel Trilogy

Natalie Portman on self-confidence and performing from an early ...

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Rashida Jones

Actor, Writer and Producer; Best Known for Roles in "The Office" & "Parks and Recreation"

Elizabeth Banks

Actress Best Known for "The Hunger Games" Series and "Pitch Perfect"

Lea Michele

American Actress Best Known For Fox's "Glee" and "Scream Queens"