Entrepreneur
HD Net/Dallas Mavericks
Born in Pittsburgh in 1958, entrepreneur Mark Cuban has ventured into many diverse businesses, from theater chains to Internet startups. In 1990, Cuban sold the firm CompuServe for $6 million, one of his largest early business ventures. He is most famous, however for for his zealous management of the Dallas Mavericks, which he purchased from Ross Perot, Jr. in 2000. In addition to his wise business decisions, Cuban is also known for his controversial and statements. He also began a television career on the reality series Shark Tank in 2009.