Jim McKelvey

Co-Founder of Square, Serial Entrepreneur, Inventor, Philanthropist & Artist

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Gary Vaynerchuk

Co-Founder & CEO of VaynerMedia

Day Trading Attention: How to Actually Build Brand and Sales in the New Social Media World

Alexis Ohanian

Co-Founder of Initialized Capital & Co-Founder of Reddit; Entrepreneur, Investor, Activist & Bestselling Author

Alexis Ohanian Carthage College Commencement Address 2014

Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Reshma Saujani

Lawyer, Politician, Founder of Girls Who Code & Marshall Plan for Moms

Ben Stein

Political Economist, Commentator, Author & Actor

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

John Legend

EGOT Winning Musician, Producer & Philantropist

Sophia Bush

Actress, Humanitarian & Author

Ashley Judd

Actress, Activist & Humanitarian

Amy Purdy

Former "Dancing with the Stars" Contestant & Paralympic Professional Snowboarder

Spike Lee

Academy Award-Winning Writer, Producer, Actor & Director; Best Known for "BlacKkKlansman" & "Malcolm X"

Eric Ries

Entrepreneur & Author of "The Lean Startup"

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radical...

Jimmy Wales

Founder of Wikipedia & Wikitribune

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation

Joe Scarborough

Co-Host of MSNBC's "Morning Joe" & Former U.S. Congressman

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Shawn Achor

Harvard Professor, Researcher, Positive Psychology Expert, Author of "The Happiness Advantage" & "Big Potential"