Born in Osaka in 1964. Working at the film magazine Kinema Junpo and the film production company Seiyu, Sato Sakichi was involved in discovering emerging directors and planning film festival programs. He wrote the screenplays for Across a Gold Prairie (1999), Ichi the Killer (2001), and Gozu (2003), and made his feature directorial debut with Tokyo Zombie (2005). His short film Haru no Ogawa (2011), part of the omnibus project Nihon no Uta, received a Special Mention of the Jury at the International Short Film Festival Oberhausen, and he has since written and directed for the NHK television series Edogawa Rampo Series and Seishi Yokomizo Series.