Born in Tohoku, grew up in Kanto, currently resides in Nara.

After graduating from Game Graphic College in 2007, he got a job with Capcom Co., Ltd., where he was responsible mainly for modelling as a 3D modeler.
Worked on the following projects:
Monster Hunter 3 - participated in designing certain NPC, weapons, and armor;
Monster Hunter 4 - responsible for new monster design and 3D modelling;
Monster Hunter X - charged with overall supervision related to all new designs, modelling, and monsters.

Went freelance in 2015.
Currently drawing illustrations and manga, mainly for solo and group exhibitions.

https://www.mangaupdates.com/author/y2q75b1/sumiyoshi-ryo