James Lawrence Dolan (born May 11, 1955) is an American businessman, and the executive chairman and chief executive officer of Madison Square Garden Sports and Madison Square Garden Entertainment, and executive chairman of MSG Networks. As the companies' chairman, Dolan oversees all operations within the company and supervises day-to-day operations of its professional sports teams, the New York Knicks and New York Rangers, as well as their regional sports networks, which include MSG Network and MSG Plus. Dolan was previously CEO of Cablevision, founded by his father, until its sale in June 2016 to European telecom conglomerate Altice.