As a software engineer

  • 2001 – 2003: Worked at a start-up system integrator company; worked mainly for local governments and their agencies.
  • 2003 – 2004: Worked as a freelance developer.
  • 2004: Worked at a Windows-based business application development company.
  • 2005 – now: Worked at one of the largest Internet service company in Japan; worked mainly for high-traffic distributed systems, as a SRE.
  • Detailed career summary will be found at:

As a music composer

  • 1983: Started Studying piano performance, solfege, music theory, and composition techniques under Noriko Shiraga and Akiko Inoue.
  • 1989: Learned to play the guitar on his own.
  • 1996: Performed his original music mainly as a rock band at live houses, events, and street performances around Kyoto in his school days.
  • 1996: Began participating in the competition sound creation and pre-production works of Hiroki Nagase who was a professional composer, and learned the techniques of recording and mixing.
  • 1997: Established MIDI audio stock website called “nerve – 雑音空間”.
  • 1998: Started activity as a member of the composition circle Yoshida Music Works. Began paid music composition services.
  • 2001: A nerve disease weakened the hearing in his right ear.
  • 2002: Suspended the paid music composition services, due to the preceding disease.
  • 2003 – 2010: Participated several spot recordings for co-workers.
  • 2011: Hospitalized and underwent several surgeries.
  • 2011 – 2014: Gradually restarted music production activities again as a hobby, and participated in compilation projects for music material websites.
  • 2014 – now: Resumed music production contracting only for specific clients, with the recovery of hearing in the ear.