Daniel Brian Bylsma (/ˈbaɪlzmə/; born September 19, 1970) is an American professional ice hockey coach and former player. He is the head coach of the Coachella Valley Firebirds of the American Hockey League (AHL). He was previously head coach of the Pittsburgh Penguins and the Buffalo Sabres in the National Hockey League (NHL), and was also an assistant coach for the Detroit Red Wings. He also was the former head coach of the United States men's national ice hockey team. Prior to coaching the Sabres, Bylsma was the head coach for the Pittsburgh Penguins, whom he led to a Stanley Cup championship in 2009, just four months after being promoted to Pittsburgh's head coaching position.