Born:
 September 21, 1970, Ishikawa Prefecture
 
Education:
 1989 International Christian University, College of Liberal Arts
 1997 School for International Training (now SIT Graduate
    Institute), U.S.A. (M.A.)
 
Career:
 1997 Office Worker, McDonald's Holdings Co. Japan, Ltd.
 2001 first elected to the Senate
 2007 second elected to the Senate
 2013 third elected to the Senate
 2019 fourth elected to the Senate
 2025 fifth elected to the Senate
 
(Major posts in the Senate and etc.)
 2008 Chairperson, Committee on Environment
 2019 Chairperson, Deliberative Council on Political Ethics
 2020 President, Judge Impeachment Court
 2022 Chairperson, Board of Oversight and Review of
    Specially Designated Secrets
 2026 Chairperson, Committee on Budget
 
(Major posts in the Government)
 2005 Parliamentary Vice-Minister of Education, Culture,
    Sports, Science and Technology
 2014 Minister of State for Consumer Affairs and Food Safety
    Minister of State for Administrative and Regulatory Reform
    Minister of State for Measures for Declining Birthrate
    Minister of State for Gender Equality and Women's
    Empowerment
 
(Major posts in a political party)
 2019 Chairperson, Liberal Democratic Party (LDP) Policy Board in
    the Senate
 2021 Chairperson, Public Relations Headquarters, LDP
 2021 Deputy Chairperson, General Assembly of LDP Members of
    the Senate
 2022 President, LDP Central Institute of Politics
 2024 Chairperson, Joint Plenary Meeting of LDP Members of
    Both Houses of the Diet
 2025 Chairperson, General Council, LDP
 
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)