Originating from Hokkaido,[1] Tatsuwa joined the sub-contracting animation firm Studio Giants in 2000, where he mostly worked as a sub-contractor to Xebec.
[3] In 2007, he received his first job as a storyboard artist, and worked as an assistant director for several of Shinbo's series in 2008.
[4] Tatsuwa would direct two more series with Shaft, and assist Shinbo once more, before leaving the studio in 2015.
Tatsuwa became associated with studio Passione in 2018, where he first acted as chief unit director for Citrus.
[5] Although only a key animator at the time of its production, which was soon after he had joined Shaft, director Shin Oonuma commonly consulted with Tatsuwa about doing parody work on Pani Poni Dash, whom Oonuma said was good with parodies.