Mr. MIZUNO Koichi
- Democratic Party For the People and The Shin-Ryokufukai
- Elected 2025, Aichi Prefecture
- Current Responsibilities in the House of Councillors
（as of November 9,2026)
Committee on Judicial Affairs
Committee on Oversight of Administration
Special Committee on Disasters Management and Reconstruction after the Great East Japan Earthquake (Director)
Research Committee on National Life and Economy (Director)
Born:
October 27, 1976, Shizuoka Prefecture
Education:
Nagoya University, Graduate School of Economics,
Master of Economics
Career:
founded Nippon Domannaka Festival Committee
Representative Director, Nippon Domannaka Festival Cultural Foundation
Special Advisor, Nippon Domannaka Festival Cultural Foundation
Member, Nagoya City Board of Education
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)