Born in 1965 in Suita, Osaka Prefecture.
After graduating from Oita Medical University (now the Faculty of Medicine, Oita University), he worked at emergency hospitals in Osaka and Kanagawa.

In 1995, he went to Myanmar alone and began providing medical aid.
After returning to Japan for a time, he founded the international medical volunteer organization Japan Heart in 2004 (a Certified NPO since 2011).

He continues to work on the front lines of medical care in developing countries.
In 2021, he received the 69th Kikuchi Kan Prize.