Born:
 June 21, 1964, Akita Prefecture
 
Education:
 1983 Akita Prefectural Akita High School
 1987 Waseda University, School of Letters, Arts and
    Sciences II (left in mid-course)
 
Career:
 1987 joined Prince Hotels Inc.
    belonged to Corporate baseball team in Prince
    Hotels Inc.
 1989 started playing as a Professional Baseball Player
    in Kintetsu Buffaloes, Yomiuri Giants, Chiba Lotte
    Marines, and Yokohama BayStars
 2003 Baseball Commentator, Nippon Television
 2004 Farm Team Manager, Seibu Lions (professional
    baseball team)
 2010 first elected to the Senate
 2016 second elected to the Senate
 2022 third elected to the Senate
 
(Major posts in the Senate)
 2016 Chairman, Committee on Education, Culture and Science
 2017 Chairman, Special Committee on Okinawa and
    Northern Problems
 2018 Chairman, Special Committee on Political Ethics and
    Election System
 2020 Chairman, Special Committee on Regional
    Revitalization and Consumer Affairs
 2024 Chairman, Committee on Cabinet
    Chairman, Special Committee on Official
    Development Assistance and Related Matters
    as well as Okinawa and Northern Problems
 2026 Chairman, Committee on Audit
 
(Major posts in the Government)
 2022 State Minister of Land, Infrastructure,
    Transport and Tourism
    State Minister of Cabinet Office
    State Minister for Reconstruction
 
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)