| 1992 | Graduate Diploma in Education(Language Teaching, especially Japanese), University of Technology, Sydney |
| 1992-2004 | Association of Japanese-Language Teaching |
| 1994-1995 | Triebel & Rix Seminar (Germany) |
| 1998 | M.A., Ochanomizu University, 1998. |
| 2000-2004 | Visiting Lecturer of Inter-University Center for Japanese Language Studies |
| 2000-2004 | Visiting Lecturer of International Student Exchange Center, Tokyo Gagugei University |
| 2002 | Ph.D., Ochanomizu University |
| 2003-2004 | Visiting Lecturer, Faculty of Humanities of Japan Women's University |
| 2004 | Associate Professor, GRIPS |