Barbara Corcoran

Real Estate Entrepreneur, Angel Investor, Author & Co-Host of "Shark Tank"

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

The Messy Truth with Van Jones | Busta Rhymes Interview

America Ferrera

Award-Winning Actress, Producer & Humanitarian

Ian Bremmer

President of Eurasia Group and GZERO Media; Political Scientist, Author, Entrepreneur & Lecturer

Marissa Mayer

Former President & CEO of Yahoo!; First Female Engineer at Google; Co-Founder of Lumi Labs

Mike Rowe

CEO of mikeroweWORKS Foundation; Creator & Host of Dirty Jobs; Executive Producer & Narrator of How America Works

Geena Davis

Award-Winning Actress, Gender Equality Activist & Philanthropist

Sir Richard Branson

Businessman & Founder of Virgin Group

Rosario Dawson

Actress Known for "Daredevil" & "Rent;" Activist, Co-Founder & Chairwoman of Voto Latino

Sara Blakely

Founder & CEO of SPANX, Innovative Entrepreneur, Women Empowerment Speaker, and Philanthropist

SPANX Founder Sara Blakely on Overcoming Fear of Failure

Samantha Bee

Host of "Full Frontal" on TBS & Former Correspondent at "The Daily Show" With Jon Stewart

Taraji P. Henson

Academy Award-Nominated Actress & Mental Health Advocate

Rudy Giuliani

Informal Adviser on Cyber Security for the White House; Former Mayor of New York City; Former U.S. Attorney for the Southern District of New York

Melinda French Gates

Co-Chair of the Bill & Melinda Gates Foundation

Daniel Kahneman

Retired Professor of Psychology & Public Affairs at Princeton University, Author

Michelle Obama

Former First Lady of the United States & Bestselling Author

The Light We Carry: Overcoming in Uncertain Times

Brené Brown

Professor at the University of Houston; #1 New York Times Best-Selling Author; Best Known for "Daring Greatly"

Bill Gates

Co-Founder of Microsoft; Co-Chair of the Bill & Melinda Gates Foundation

Tina Fey

Actress, Comedian, Writer & Producer; Known for "Mean Girls" and "30 Rock"

Reid Hoffman

Co-Founder & Former Executive Chairman of LinkedIn; Partner at Greylock