- 2015/10/01 - 現在 Osaka University Gradugarte School of Medicine (Legal Medicine) Visiting Professor
- 2011/10/01 - 現在 慶應義塾大学 学生総合センター 副部長(信濃町支部長)
- 2006/04 - 現在 東海大学 医学部 (法医学) 非常勤講師
- 2006/04 - 現在 大阪大学大学院医学系研究科非常勤講師(病理病態学)
- 2005/05 - 現在 Professor of Keio University Graduate School of Medicine
- 2005/04 - 現在 Professor, Dept of Legal Medicine, Keio University School of Medicine
- 2006/04 - 2011/03 Senior Research Fellow, Global Security Research Institute, Keio University
- 2003/04 - 2005/03 Associate Professor, Dept of Forensic Medicine, Tokai University Medical School
- 1999/04 - 2005/03 大阪大学大学院医学系研究科非常勤講師(病理病態学)
- 2000/04 - 2003/03 Assistant Professor, Dept of Legal Medicine, Osaka City University Graduate School of Medicine
- 1997/04 - 2000/03 Assistant Professor, Dept of Legal Medicine, Osaka City University Medical School
- 1997/01 - 1997/03 大阪市立大学医学部非常勤講師(法医学)
- 1996/04 - 1997/03 Assistant Professor, Dept of Pathology, Osaka University Medical School)
- 1995/10 - 1996/04 Instructor/Assistant Professor, Division of Pathology, Osaka University Medical School Hospital
- 1993/05 - 1995/09 Postdoctoral Fellow, University of California, San Francisco (Instructor and Assistant Professor, Dept of Pathology, Osaka University Medical School)
- 1990/04 - 1993/04 Instructor and Assistant Professor, Dept of Pathology, Osaka University Medical School)
- 1988/10 - 1990/03 Osaka University Dept of Pathology, Medical School Instructor