(As of January 2024)
KOIZUMI Shinjiro
- Chair, Standing Committee on National Security, House of Representatives
- In-House Group: Liberal Democratic Party
- Elected: Kanagawa 11th District (single-seat constituency), five times
- Born: April 1981, Yokosuka, Kanagawa
- Education:
- College of Economics, Kanto Gakuin University, Japan
- Master of Arts in Political Science, Graduate School of Arts and Science, Columbia University, USA
- Career:
- Research Associate, Center for Strategic and International Studies
- Secretary to a Member of the House of Representatives (HR)
- Parliamentary Vice-Minister of Cabinet Office
- Parliamentary Vice-Minister for Reconstruction
- Minister of the Environment
- Minister of State for Nuclear Emergency Preparedness
- Chairperson, Liberal Democratic Party (LDP) Kanagawa Prefecture HR 11th Electoral District Branch
- Director, LDP Youth Division
- Director, LDP Agriculture and Forestry Division
- Deputy Secretary-General, LDP
- Director, LDP Health, Labour and Welfare Division
- Acting Chairperson, LDP General Council