Mark Cuban (born July 31, 1958) is an American business magnate. He is the owner of the National Basketball Association's Dallas Mavericks, Landmark Theatres, and Magnolia Pictures, the chairman of the HDTV cable network HDNet and as of 2011, author of e-book, How to Win at the Sport of Business.
In 2011, Cuban showed his support for GEW by ringing the bell of the New York Stock Exchange. He also participated in GEW featured event, the Movers and Changers forum.