- 2024/04 - 2025/03 Kumamoto University Institute of Resource Development and Analysis, Division of Developmental Genetics Associate professor
- 2017/10 - 2024/03 Kumamoto University Institute of Resource Development and Analysis, Division of Genomics Associate Professor
- 2007/04 - 2017/09 Kumamoto University Institute of Resource Development and Analysis
- 2003/04 - 2007/03 Kumamoto University Institute of Resource Development and Analysis
- 2003 - 2007 Associate Professor,
- 2007 - Associate Professor, ,Institute of Resource Development and Analysis ,Kumamoto University
- 1998/04 - 2003/03 人吉看護専門学校 非常勤講師(生化学)
- 1995/04 - 2003/03 Kumamoto University
- 1995 - 2003 Associate Professor,
- 1991/10 - 1994/03 スイス・ジュネーブ大学 医学部 病理学教室 アシスタント
- 1991 - 1994 スイス ジュネーブ大学 医学部 病理学教室 アシスタント
- 1991 - 1994 Research Assistant, Department of Pathology,Centre of Medical University, Geneve University, Switzerland
- 1983/04 - 1991/03 (財)化学及び血清療法研究所 研究開発部 分子遺伝研究室 研究員
- 1983 - 1991 Researcher, Molecular Genetics Laboratory, Research & Development Department,THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
- 1984 - 1987 Research student; Institute for Molecular and Cellular Biology,Osaka University