John Calley

John Nicholas Calley (July 8, 1930 – September 13, 2011) was an American film studio executive and producer. He was quite influential during his years at Warner Bros. (where he worked from 1968 to 1981) and "produced a film a month, on average, including commercial successes like The Exorcist and Superman." During his seven years at Sony Pictures Entertainment starting in 1996, five of which he was chairman and chief…