Born:
 January 19, 1962, Tokyo
 
Education:
 1986 Doshisha University, Faculty of Law
 1995 Kyoto University, Graduate School of Law (LL. M.)
 
Career:
 1986 joined Daiwa Securities Co., Ltd.
 1990 joined The Matsushita Institute of Government and
    Management
 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)
 2005 Chairman, Committee on Environment
 2011 Chairman, Committee on Foreign Affairs and Defense
 2017 Chairman, Special Committee on Reconstruction after
    the Great East Japan Earthquake
 2022 Chairman, Research Committee on National Life,
    the Economy and Local Affairs
 2025 Vice-President
 
(Major posts in the Government)
 2009 State Minister for Foreign Affairs
 2010 Deputy Chief Cabinet Secretary
 
(Major posts in political parties)
 2014 Chair, Policy Research Committee, Democratic
    Party of Japan
 2017 Secretary General, The Constitutional Democratic
    Party of Japan (CDP)
 2018 Chair, CDP Caucus in 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)