David Alan Mamet is an American playwright, author, and filmmaker. He won a Pulitzer Prize and received Tony nominations for his plays Glengarry Glen Ross (1984) and Speed-the-Plow (1988). He first gained critical acclaim for a trio of 1970s off-Broadway plays: The Duck Variations, Sexual Perversity in Chicago, and American Buffalo. His plays Race and The Penitent, respectively, opened on Broadway in 2009 and previewed off-Broadway in 2017.
Feature films that Mamet both wrote and directed include House of Games (1987), Homicide (1991), The Spanish Prisoner (1997), and his biggest commercial success, Heist (2001). His screenwriting credits include The Postman Always Rings Twice (1981), The Verdict (1982), The Untouchables (1987), Hoffa (1992), Wag the Dog (1997), and Hannibal (2001). Mamet himself wrote the screenplay for the 1992 adaptation of Glengarry Glen Ross, and wrote and directed the 1994 adaptation of his play Oleanna (1992).