- 1984
- Waseda University (LL.B.)
- 1986
- Public Prosecutor, Yokohama District Public Prosecutors Office
- 1987 - 2011
- Public Prosecutor, Sapporo District Public Prosecutors Office;
Public Prosecutor, Mito District Public Prosecutors Office;
Public Prosecutor, Tokyo District Public Prosecutors Office;
Criminal Affairs Bureau, Ministry of Justice;
First Secretary, Embassy of Japan in Germany;
Public Prosecutor, Utsunomiya District Public Prosecutors Office;
Lecturer, Legal Training and Research Institute of the Supreme Court of Japan;
Director for Criminal Identification, Criminal Affairs Bureau, National Police Agency;
Deputy Director, Tokyo District Public Prosecutors Office, Hachioji Branch;
Public Prosecutor, Tokyo High Public Prosecutors Office;
Deputy Director of the Criminal Investigation Division, Tokyo District Public Prosecutors Office;
Director of the General Affairs Division, Rehabilitation Bureau, Ministry of Justice
- 2011 - 2012
- Director of the Special Investigation Department, Osaka District Public Prosecutors Office
- 2012 - 2014
- Director of the Criminal Investigation Division, Tokyo High Public Prosecutors Office
- 2014 - 2015
- Chief Prosecutor, Kofu District Public Prosecutors Office
- 2015 - 2016
- Public Prosecutor, Supreme Public Prosecutors Office
- 2016 - 2018
- Deputy Chief Prosecutor, Tokyo High Public Prosecutors Office
- 2018 - 2019
- Director, Public Security Department, Supreme Public Prosecutors Office
- 2019 - 2020
- Chief Prosecutor, Tokyo District Public Prosecutors Office
- 2020 - 2021
- Superintending Prosecutor, Takamatsu High Public Prosecutors Office
- 2021 - 2023
- Superintending Prosecutor, Osaka High Public Prosecutors Office
- 2023 - present
- Special Advisor, Nagashima Ohno & Tsunematsu
