- 2019/06 - 現在 Showa University School of Medicine, Department of Pediatrics
- 2019/04 - 現在 昭和大学横浜市北部病院 こどもセンター センター長、小児科診療科長
- 2018/04 - 2023/03 Showa University Pediatrics, Fujigaoka Hospital, School of Medicine
- 2015/04 - 2019/05 Showa University Pediatrics, Fujigaoka Hospital, School of Medicine
- 2012/05 - 2015/03 Showa University Pediatrics, Fujigaoka Hospital, School of Medicine
- 2009/05 - 2011/03 UCSF オークランド小児病院 研究所 Visiting Physician
- 2007/07 - 2009/04 Showa University Pediatrics, Fujigaoka Hospital, School of Medicine
- 2000/04 - 2007/06 Showa University Pediatrics, Fujigaoka Hospital, School of Medicine
- 1998/04 - 2000/03 Kanagawa Children's Medical Center
- 1995/05 - 1998/03 Showa University Pediatrics, Fujigaoka Hospital, School of Medicine
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