Kenji Kamiyama has collaborated frequently with Production I.G, an anime studio and production company, on projects such as Jin-Roh, Patlabor, Blood The Last Vampire, and Ghost in the Shell. Prior to joining Team Oshii at Production I.G, he worked as a background artist for productions like Akira and Kikis Delivery Service. At Production I.G, Kenji contributed the screenplay for Blood The Last Vampire and served as animation director for Jin-Roh. In 2002, he made his directorial debut with MiniPato before directing Ghost in the Shell.