大阪藝術大學
Ōmori also participated in the formation of Director's Company in 1982, an independent production company founded by nine directors, including Kiyoshi Kurosawa, Sōgo Ishii, Shinji Sōmai, and Kazuhiko Hasegawa. In 2000, he became a professor at Osaka Electro-Communication University, and in 2005, a professor at Osaka University of Arts. He was also a special guest at G-Fest XIII in 2006.