| Born | 1957 | Hiroshima Prefecture, Japan |
| April | 1976 | Matriculated to University of Tokyo, Faculty of Law |
| March | 1980 | Graduated from University of Tokyo |
| April | 1980 | Joined the Ministry of Foreign Affairs (MOFA) |
| July | 1981 | Posted to the UK, matriculated to University of Cambridge Queen's College, M.Phil. in International Relations |
| July | 1983 | Embassy of Japan in Saudi Arabia |
| July | 1985 | Posted to Tokyo, Energy Resources Division, Economic Affairs Bureau, MOFA |
| July | 1987 | Treaties Division, Treaties Bureau, MOFA |
| August | 1990 | Personnel Affairs Division, Minister's Secretariat, MOFA |
| February | 1993 | Embassy of Japan in the USA |
| January | 1996 | Posted to Tokyo, Deputy Director, Policy Coordination Division, Foreign Policy Bureau, MOFA |
| February | 1998 | Director, Policy Planning Division, Foreign Policy Bureau, MOFA |
| October | 1999 | Director, Second Southeast Asia Division, Asian and Oceanian Affairs Bureau, MOFA |
| February | 2002 | Assistant to the Foreign Minister |
| January | 2004 | Minister, Head of the Political Section, Embassy of Japan in the UK |
| August | 2006 | Minister, Head of the Political Section, Embassy of Japan in the USA |
