George Seifert, American football player and coach

George Gerald Seifert is an American former football coach. He served as the head coach for the San Francisco 49ers and the Carolina Panthers of the National Football League (NFL). Seifert owned the second-greatest winning percentage in NFL history by a head coach at the time of his resignation as the 49ers head coach, second to Guy Chamberlin. Among coaches with at least 100 wins, his winning percentage is fifth best in football history.