Twentieth Century Fox Film Corp.Ad budget: $134 million (1995)Agency: J. Walter Thompson USA (media)Career: Mr. Harper is serving in his second tour of duty as president of marketing at Fox. He held that post from 1989 to 1990, when the studio released "Home Alone," "Die Hard II" and "The War of the Roses." Then he went into independent film production with his Fox-based Featherstone Productions. He returned to his post in January 1995. Prior to Fox, he was VP-general manager of Kaleidoscope Films from 1979 to 1984.