| 1979 | Ph.D., State University of New York at Buffalo |
| 1978 | Assistant Professor of Southern Methodist University |
| 1982 | Assistant Professor of State University of New York at Albany |
| 1986 | Associate Professor of SUNY at Albany |
| 1990 | Associate Professor of Osaka University |
| 1993 | Professor of Osaka University |
| 1994 | Professor of Tokyo Metropolitan University |
| 2002 | Professor of GRIPS |