After graduating from Waseda University, Mori began working in the anime industry.
From there, he worked as a storyboard artist and producer for the NTV/Studio Pierrot TV series The Burning Wild Man.
After working as a storyboard artist on Nadia: The Secret of Blue Water, Mori directed the series Tasuke, the Samurai Cop.
[2] More recent series he has directed include Vandread, Ruin Explorers Fam & Ihrlie, Meltylancer, and Stratos 4.
[2] Throughout his career, he has used the pen names Shin Nemoto (根本 清, Nemoto Shin), Inumakura (いぬまくら),[3] and Urano Kantoku (浦野 寛徳) (the last meaning "behind the scenes director").