- 2024/05 - 現在 Showa University
- 2023/04 - 現在 Showa University, Tokyo, Japan Division of Rheumatology, Department of Medicine Professor
- 2023/04 - 現在 Showa University, Tokyo, Japan Clinical Training Center Director
- 2022/07 - 現在 Institute for Health Outcomes & Process Evaluation research, Kyoto, Japan Visiting Researcher,
- 2022/04 - 現在 Fukushima Medical University, Fukushima, Japan Department of Clinical Epidemiology, Graduate School of Medicine Guest Assistant Professor
- 2020/04 - 現在 Showa University East Hospital, Tokyo, Japan Department of Rheumatology and Clinical lmmunology Department Chair
- 2019/12 - 現在 National Hospital Organization, Sagamihara National Hospital, Kanagawa, Japan Clinical Research Center for Allergy and Rheumatology Visiting Researcher
- 2019/06 - 現在 Showa University, Tokyo, Japan Showa University Research Administration Center: SURAC Concurrent
- 2017/04 - 現在 Kyoto University, Kyoto, Japan Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine Lecturer (part-time)
- 2016/10 - 現在 Fukushima Medical University, Fukushima, Japan Center for Innovative Research for Communities and Clinical Excellence, Associate Professor
- 2020/04 - 2023/03 Showa University School of Medicine, Tokyo, Japan Division of Rheumatology, Department of Medicine, Assistant Professor
- 2016/11 - 2020/03 Showa University, Tokyo, Japan Division of Rheumatology, Department of Medicine Associate Professor
- 2016/10 - 2016/10 Showa University, Tokyo, Japan Division of Rheumatology, Department of Medicine Assistant Professor
- 2016/04 - 2016/09 Fukushima Medical University, Fukushima, Japan Department of Innovative Research and Education for Clinicians and Trainees (DiRECT) Assistant Professor
- 2014/10 - 2016/03 Fukushima Medical University, Fukushima, Japan Center for Innovative Research for Communities and Clinical Excellence, Assistant Professor
- 2004/07 - 2014/09 Showa University, Tokyo, Japan Division of Rheumatology, Department of Medicine, Assistant Professor
- 2003/06 - 2004/06 東京都立駒込病院 アレルギー膠原病科 医員
- 1999/04 - 2003/05 Showa University