- 2005 - 2007 Public Works Research Institute
- 2005 - 2007 Executive Director for Research Coordination, Public Works Research Institute, Incorporated Administrative Agency
- 2007 - - 筑波大学大学院 システム情報工学研究科 教授
- 2007 - - Professor, Graduate School of Systems and Information Engineering
- 2001 - 2005 Public Works Research Institute
- 2001 - 2005 Director, Structures Research Group, Public Works Research Institute, Incorporated Administrative Agency
- 1992 - 2001 建設省(国土交通省)土木研究所構造橋梁部構造研究室長
- 1992 - 2001 Head, Structure Division, Public Works Research Institute, Ministry of Construction (Ministry of Land, Infrastructure and Transport)
- 1990 - 1992 建設省北陸地方建設局羽越工事事務所長
- 1990 - 1992 Director, Uetsu Work Office, Hokuriku Regional Construction Bureau, Ministry of Construction
- 1989 - 1990 建設省土木研究所企画部企画課長
- 1989 - 1990 Head, Planning Division, Public Works Research Institute, Ministry of Construction
- 1976 - 1989 建設省土木研究所構造橋梁部構造研究室研究員、主任研究員
- 1976 - 1989 Research Engineer, Senior Research Engineer, Structure Division, Public Works Research Institute, Ministry of Construction
- University of Tsukuba