岩井泽健治，1981年出生于东京。 高中毕业后，他师从石井辉男导演，开始在真人电影现场工作，与此同时，也开始进行动画制作。2008年，他发表了第一部动画作品《福来町、トンネル路地の男》。 之后，他也继续制作着动画和真人短片。在他的第一部长篇《音乐》中，兼任了导演、脚本、分镜和人物设计等职位。

Kenji Iwaisawa is an independent filmmaker and animator who was born in Tokyo Prefecture in 1981. After graduating from high school, Iwaisawa became an apprentice to the director Teruo Ishii. He began creating his own animation works by drawing on influences from live-action movies. In 2008 he finished his first animation piece, Fukuraicho, The Man in the Tunnel Alley. Henceforth, he focused on short film animations and began production on his independent feature-length animation On-Gaku: Our Sound.