David Ayer is an American film director, producer, and screenwriter. He is best known for being the writer of Training Day (2001), and the director and writer of Harsh Times (2005), Street Kings (2008), End of Watch (2012), Sabotage (2014), and Fury (2014). In September 2014, Ayer was announced as both the writer and director for the DC Comics film Suicide Squad, scheduled for release in 2016.