Born:
 May 12, 1956, Miyagi Prefecture
 
Education:
 1985 Tokyo Medical and Dental University, Faculty of
    Medicine
 1993 Tohoku University, Graduate School of Medicine,
    Ph.D. in Medicine
 
Career:
 Medical Doctor (Physician)
 1998 first elected to the Senate
 2004 second elected to the Senate
 2010 third elected to the Senate
 2016 fourth elected to the Senate
 2022 fifth elected to the Senate
 
(Major posts in the Senate)
 2003 Chairman, Special Committee on Financial Issues and
    Revitalization of the Economy
 2009 Chairman, Committee on Economy and Industry
 2014 Chairman, Special Committee on Reconstruction after
    the Great East Japan Earthquake
 2015 Chairman, Special Committee on Reconstruction
    after the Great East Japan Earthquake and Nuclear
    Power Issues
 2016 Chairman, Special Committee on Reconstruction after
    the Great East Japan Earthquake
 2024 Chairman, Committee on Budget
 2025 Chairman, Special Committee on Political Reform
 2026 Chairman, Special Committee on Formation of a
    Digital Society, Utilization of Artificial Intelligence      
    and Related Matters
 
(Major posts in the Government)
 2010 State Minister of Finance
 2012 State Minister of Health, Labour and Welfare
 
(Major posts in a political parties)
 2013 Chair, Policy Research Committee, Democratic Party of
    Japan
 2017 Vice-President, The Democratic Party
 
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)