Joe Alves (born 21 May 1936, San Leandro, California) is an American film production designer, perhaps best known for his work on three of the Jaws films. He directed Jaws 3-D.Alves has designed three features for Steven Spielberg, firstly for The Sugarland Express. He designed the three mechanical sharks for the movie Jaws (1975) with mechanical effects man Bob Mattey supervising their physical construction in Sun Valley CA.