William Monahan

William Monahan
Monahan in October 2006
Born (1960-11-03) November 3, 1960
Boston, Massachusetts, U.S.
Occupation
  • Screenwriter
  • novelist
  • journalist
  • essayist
Alma materUniversity of Massachusetts Amherst
Notable awardsAcademy Award for Best Adapted Screenplay (2007)
Writers Guild of America Award for Best Adapted Screenplay (2007)

William J. Monahan (born November 3, 1960) is an American screenwriter and novelist. His second produced screenplay The Departed (2006), an adaptation of Andrew Lau's 2002 gangster film Infernal Affairs, earned him a Writers Guild of America Award and Academy Award for Best Adapted Screenplay.