PowerShift: Mark Cuban

Whether you know him as the owner of the NBA’s Dallas Mavericks, a Shark on Shark Tank, or as a former Dancing with the Stars contestant, it’s clear that Mark Cuban is not limited to one career. He’s been an entrepreneur since he was young, starting off by selling sets of garbage bags at age 12 to save up for a pair of shoes and later co-founding Broadcast.com (originally named AudioNet and designed to make it possible to listen to basketball games), which he and his partner sold to Yahoo! for nearly $6 billion in 1998, just a year after going public. While some people might settle into an early retirement after achieving as much as Mark at such a young age, he opted to kick it into even higher gear, and became a recurring Shark on Shark Tank and an active and involved NBA owner