Louis P. Lamoriello (/læmər.ɛl.oʊ/; born October 21, 1942) is an American professional ice hockey executive who is the president of hockey operations and general manager for the New York Islanders of the National Hockey League (NHL). He was formerly general manager of both the New Jersey Devils and the Toronto Maple Leafs. Lamoriello's tenure as general manager of the New Jersey Devils from 1987 to 2015 was the third-longest by an NHL general manager with a single team, following those of Conn Smythe and Art Ross. Lamoriello resigned from New Jersey on May 4, 2015, and became the 16th general manager of the Maple Leafs on July 23 of the same year.