- 2004.7.1 - : IAMAS (as a lecturer, then an associate professor since 2007.4.1)
- 1993.4.1 - 2004.6.30: Roland Corporation (as sound designer and software engineer)
- 1989.4.1 - 1993.3.31: Program of Information and Behavioral Sciences , Faculty of Integrated Arts and Sciences, Hiroshima University