David Ayer (born January 18, 1968 in Champaign, Illinois, USA) is an acclaimed screenwriter, producer and director who first moved to the mean streets of L.A. as a teenager. The experiences of his youth helped shape his artistic vision, and his inside knowledge and affection for the culture of Los Angeles can be seen throughout his work.At 18, David joined the United States Navy, where he served as sonar man aboard a nuclear attack submarine during the Cold War. After an honorable discharge, David began writing. He wrote and was a co-producer on his "calling card" spec script Training Day, which became a hit film and garnered Denzel Washington an Academy Award for Best Actor. Ayer had earlier co-written the submarine thriller U-571, starring Matthew McConaughey, Bill Paxton and Harvey Keitel. Other writing credits include, The Fast and the Furious,, starring Paul Walker and Vin Deisel, S.W.A.T., starring Samuel L. Jackson and Colin Farrell and Dark Blue, starring Kurt Russell. Ayer made his directorial debut with his original screenplay Harsh Times. The gritty drama, starring Christian Bale and Freddy Rodriguez, was released in the fall of 2006. In 2008, Ayer struck gold with his fans with the often cited action-crime thriller Street Kings. David is currently working on various projects in development at Warner Brothers, Paramount and Universal. He lives in Los Angeles with his wife and children. He recently earned mixed to highly positive marks for his recent features End of Watch and Fury and became acknowledged by comic book fans when he was announced as the brain helming Suicide Squad. His Arnold Schwarzenegger helmed action-mystery crime thriller Sabotage was abolished by critics while it was met with mixed reception from it's target audience of Arnold followers.