Ms. MAKIYAMA Hiroe
- The Constitutional Democratic Party of Japan and the Independent
- Elected 2007, 2013, 2019 and 2025, Kanagawa Prefecture
- Current Responsibilities in the House of Councillors
（as of November 9,2026)
Committee on Judicial Affairs (Director)
Committee on Budget
Special Committee on Formation of a Digital Society, Utilization of Artificial Intelligence and Related Matters
Born:
September 29, 1964, Tokyo
Education:
1987 International Christian University, College of Liberal
Arts
1991 Thomas M. Cooley Law School (Juris Doctor)
Career:
1987 TV director, Tokyo Broadcasting System Television, Inc.
1991 joined Bingham McCutchen Murase (Law firm in New
York)
1993 passed the American Bar Examination (admitted
in the State of New York, State of Connecticut)
1993 In House Counsel for Shochiku Co. Ltd.,
Warner Bros. Entertainment, Inc. and PolyGram Co.,
Ltd.
1996 Lawyer, Hasse & Associates (Law firm in New York)
2004 Senior Manager, Legal Office, Sony Pictures
Entertainment Inc.
2007 first elected to the Senate
2013 reelected to the Senate
2019 reelected to the Senate
2025 reelected to the Senate
(Major posts in the Senate)
2014 Chairperson, Special Committee on Political Ethics
and Election System
2019 Chairperson, Committee on Environment
2024 Chairperson, Committee on Economy and Industry
2025 Chairperson, Special Committee on Official
Development Assistance and Related Matters as
well as Okinawa and Northern Problems
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)