Tycoon and Dallas Mavericks owner who sold Broadcast.com to Yahoo for $5.9 Billion in 1999. He invested in a variety of start-ups as a result of being a panelist on ABC's Shark Tank, many of which later turned out to be successes.
He worked as a bartender, disco dancing instructor, and party promoter before getting into high-tech companies.
He married Tiffany Stewart in 2002 and together they had three children.
In 2000, he purchased the Dallas Mavericks NBA franchise. He would later become involved with several squabbles with former NBA commissioner David Stern.