
Born:
July 5 1953, Gunma Prefecture
Education:
1978 Nippon Medical School, School of Medicine
Career:
1978 joined Pediatrics at Nippon Medical School Hospital
1988 Director, Koizumi Pediatric Clinic
2005 Chairperson, Takasaki Medical Association
2011 Councillor, Gunma Medical Association
2014 Executive Board Member, Japan Medical Association
2020 Member, Subcommittee on Novel Coronavirus Disease
Control
Member, Expert Meeting on the Novel Coronavirus
Disease Control
Member, COVID-19 Advisory Board
2023 Member, Council for the Promotion of Countermeasures
against Novel Influenza
2024 Vice-President, Japan Medical Association
2025 elected to the Senate
Note: The Sangiin, which had been known as the House of Councillors, is called the Senate in English as of August 2026.
(as of October 26,2026)