Dick Costolo

Former CEO of Twitter and Co-Founder of Feedburner

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

Serena Williams' post-retirement plans : NPR

Michael Dell

Founder, Chairman & CEO of Dell

John Sculley

Vice-Chairman of MDLIVE, Former CEO of Apple Computers & PepsiCo; High-Tech Entrepreneur, Venture Capitalist & Author

Ron Conway

Angel Investor, Often Described as One of the "Super Angels"

Phil Robertson

Founder of Duck Commander & Star of A&E's hit show "Duck Dynasty"

Regis McKenna

Marketing Bricks to Clicks Digital Evolution Trends

Jonathan Bush

Technology Entrepreneur; Co-Founder & Former CEO of athenahealth

Marc Randolph

Entrepreneur, Netflix Co-Founder, National Best-Selling Author, Executive Mentor & Angel Investor

Brian Acton

Founder of WhatsApp

Twenty One Pilots

Musical Duo From Columbus, OH; Known For Singles Like "Stressed Out"

Zach Woods

Comedian & Actor; Known for His Roles in "The Office" and "Silicon Valley"