Anthony Joseph Gilroy is an American screenwriter, director, and producer. He wrote the screenplays of The Bourne Identity (2002), The Bourne Supremacy (2004), and The Bourne Ultimatum (2007), the first three films in the Bourne film franchise, and wrote and directed the fourth film of the franchise, The Bourne Legacy (2012), as well as Michael Clayton (2007) and Duplicity (2009).