- Webmin Japan Usergroup
- Northeast Asia OSS promotion forum
- Yokohama LUG(Linux Users group)
- Linux Kernel development(driver etc)
- Samba Japan Usersgroup
I'm living in Japan. I have some chance to have trip to China Beijing, Korea Seoul, etc for business.
Mainly interested in Tokyo, Saitama, Tohoku region, Beijing and Seoul.
I started OSM Japan in March, 2008.
From 2011, I have also worked for OSM Foundation Japan , as representative director in spare time.
In 2013, I lead a development of TileMan 
A president of OpenStreetMap Foundation Japan and wikipedia