[2][3] Hiroshi Nagahama started his career at Madhouse Studio as a mechanical designer for The Cockpit, and was also a part of the production staff for Azuki-chan and Yawara!.
[4][5] After leaving Madhouse Studio, he became a freelancer and worked on the conceptual design for the Revolutionary Girl Utena series.
[6] He has also worked as the storyboard writer and animation director for Sexy Commando Gaiden: Sugoiyo!
Nagahama has been involved with the production of Doraemon: Nobita and the Windmasters, Pokémon Heroes, Fruits Basket, Kimi ni Todoke, and X-Men.
He directed the highly acclaimed Mushishi, Detroit Metal City, The Flowers of Evil and Hatsune Miku music videos "Downloader" and "Chime".