Joseph Kosinski (born May 3, 1974) is an American film director best known for his computer graphics and computer-generated imagery (CGI) work, and for his work in action films. He made his big-screen directorial debut with the 2010 science fiction film Tron: Legacy, the sequel to the 1982 film Tron. His previous work has primarily been with CGI-related television commercials including the "Starry Night" commercial for Halo 3 and the award-winning "Mad World" commercial for Gears of War.