Complex sentence: Mark Cuban (born July 31,1958) is an American businessman, investor, and owner of the National Basketball Association's Dallas Mavericks, Landmark Theatres, and Magnolia Pictures, and the chairman of the HDTV cable network AXS TV.
Split into simpler sentences: Mark Cuban (born July 31,1958) is an American businessman, investor, and owner of the Dallas Mavericks. He is the owner of the National Basketball Association's Dallas Mavericks, Landmark Theatres, and Magnolia Pictures, and the chairman of the HDTV cable network AXS TV.