Kyoto University (LL.B., 1974)
Assistant Judge at Tokyo District Court (1976)
Assigned to Administrative Affairs Bureau, Supreme Court General Secretariat (1978)
Assistant Judge at Shimonoseki Branch of Yamaguchi District Court (1980)
Assistant Judge at Osaka District Court (1983)
Assistant Judge at Izuhara Branch of Nagasaki District/Family Court (1986)
Professor (in charge of civil affairs) at the Court Clerk Research and Training Institute (1988)
Acting Judge at Tokyo High Court (1991)
Professor (in charge of civil trials) at the Legal Training and Research Institute (1992)
Director General of the Legal Training and Research Institute (1998)
Chief Judge at Tokyo District Court (2002)
Judge at Tokyo High Court (2006)
Director of Niigata District Court (2007)
Chief Judge at Tokyo High Court (2009)
Director of Yokohama District Court (2015)
Retired upon reaching retirement age (2016)

Member of the Japan Association of the Law of Civil Procedure (1985)
Bar Examiner of the National Bar Examination Commission (second-stage examination, Civil Code) (1993-1996)
Bar Examiner of the National Bar Examination Commission (second-stage examination, Code of Civil Procedure) (1998)
Specialist Member of the Central Council for Education (Subdivision on Universities) (2001-2002)
Member of the Legal Profession Training Issue Committee, Japan Bar Association (2001-2003)
Member of the National Bar Examination Commission (2006-2015)
Member of Committee for Recommending Summary Court Judges (2016-2019)
Temporary Member of Examination Committee for Certification of Sickness and Disability, Ministry of Health, Labour and Welfare (2017-)
Member of The Committee for Certified Evaluation and Accreditation of Law Schools, National Institution for Academic Degrees and Quality Enhancement of Higher Education (2018‐)
Headquarters Examiner, The Japan Center for Settlement of Traffic Accident Disputes (2018-)

admitted in Japan, August 2016
Tokyo Bar Association