Mr. KUMAGAI Hiroto
- The Constitutional Democratic Party of Japan and the Independent
- Elected 2019 and 2025, Saitama Prefecture
- Current Responsibilities in the House of Councillors
（as of June 22,2026)
Committee on Education, Culture and Science (Chairman)
Special Committee on Disasters Management and Reconstruction after the Great East Japan Earthquake
Deliberative Council on Political Ethics
Born:
March 23, 1962, Saitama Prefecture
Education:
Chuo University, Faculty of Commerce
Career:
joined LOTTERIA Co., Ltd. (a chain of fast-food restaurants)
Policy Secretary to a Member of the Diet
(House of Representatives and House of Councillors)
2007 Member, Saitama City Assembly (3 consecutive terms)
2019 elected to the House of Councillors
(as of May 11,2023)