Ms. KOBAYASHI Sayaka
(Real Name: NAKAYAMA Sayaka)
- Democratic Party For the People and The Shin-Ryokufukai
- Elected 2025, Chiba Prefecture
- Current Responsibilities in the House of Councillors
（as of November 9,2026)
Committee on Judicial Affairs (Director)
Committee on Rules and Administration
Special Committee on Children, Childrearing and Youth Empowerment (Director)
Born:
September 5, 1983, Chiba Prefecture
Education:
2007 The University of Tokyo, Faculty of Law
Career:
2007 joined Japan Broadcasting Corporation (NHK) as a
Reporter
2024 News Editor at Metropolitan Department, NHK
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)