In 1975 joined the Ministry of Finance, Japan
In 1981 – Director, SUWA Tax Office.
In 1982 – Deputy Director, First Investment Division, International Finance Bureau, MOF.
In 1984 – Senior Financial Economist, Financial Policy & Analysis Department, The World Bank.
In 1987 – Deputy Budget Examiner, Budget Bureau, MOF.
In 1989 – Deputy Director, First Investment Division, Finance Bureau, MOF.
In 1991 – Deputy Vice Governor, Yamagata Prefecture.
From 1993 to 2006 MOF: 1993 – Director, Office of Coordination, International Finance Bureau, 1994 – Director, International Tax Affairs Division, Tax Bureau, 1996 – Director, Securities Business Division, Securities Bureau, 2000 – Director, Coordination Division, Tax Bureau, 2001 – Counselor, Minister's Secretariat, 2003 – Deputy Director-General, Minister's Secretariat, 2003 – Deputy Director-General, Minister's Secretariat, 2004 – Deputy Director-General, International Bureau, 2005 – Director-General, Kanto Regional Finance Bureau, 2006 – Deputy Director-General, Finance Bureau.
In 1998 – Director, Coordination Division, Supervisory Department, FSA.
In 1999 – Counselor, Supervisory Department, FSA.
In 2002 – Deputy Director-General, Project Team to Establish Industrial Revitalization Corporation of Japan.
From 2007 to 2010 – Executive Director for Japan, IMF.
Since 2011 – Research Director, The Canon Institute for Global Studies.