Mr. KOGA Yuichiro
- Liberal Democratic Party and Group of Independents
- Elected 2013, 2019 and 2025, Nagasaki Prefecture
- Current Responsibilities in the House of Councillors
（as of November 9,2026)
Committee on Economy and Industry (Director)
Committee on Budget
Special Committee on Consumer Affairs
Special Committee on Children, Childrearing and Youth Empowerment
Commission on the Constitution (Director)
Born:
November 2, 1967, Nagasaki Prefecture
Education:
1991 The University of Tokyo, Faculty of Law
Career:
1991 joined Ministry of Home Affairs
1996 Director, Finance Department, Wakayama City
2000 Professor, Local Autonomy College, Ministry of Home
Affairs
2008 Director General, Finance Bureau, City of Kitakyushu
2010 Director of the Policy Planning for Aged Personnel
Office, Local Public Service Personnel Department,
Local Administration Bureau, Ministry of International
Affairs and Communications
2011 Vice-Mayor, Nagasaki City
2013 first elected to the Senate
2019 second elected to the Senate
2025 third elected to the Senate
(Major posts in the Senate)
2022 Chairman, Committee on Environment
Chairman, Committee on Cabinet
(Major posts in the Government)
2018 Parliamentary Vice-Minister of Internal Affairs and
Communications
Parliamentary Vice-Minister of Cabinet Office
2023 Parliamentary Vice-Minister of Cabinet Office
2024 State Minister of Economy, Trade and Industry
State Minister of Cabinet Office
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)