Born:
 June 5, 1957, Oita Prefecture

Education:
 1982 University of Tsukuba, School of Medicine
 1990 Doctorate in Medicine (University of Tsukuba)

Career:
 1982 registered as a medical practitioner
 1994 Assistant Professor, Department of Surgery,
    Institute of Clinical Medicine, University of
    Tsukuba
 2003 Associate Professor, Department of Surgery,
    Institute of Clinical Medicine, University of
    Tsukuba
 2004 Head of the Gastro-Intestinal Surgery Department,
    Tsukuba Medical Center Hospital
 2004 first elected to the House of Councillors

(Major post in the House of Councillors)
 2011 Chairman, Special Committee on Political Ethics and
    Election System

(Major post in the Government)
 2009 Parliamentary Secretary of Health, Labor and
    Welfare

(Major posts in political parties)
 2017 Chair, Policy Research Committee, The Democratic
    Party
 2018 Chair, Policy Research Committee, Democratic
    Party For the People

(as of July 30,2020)