| 1977 | Entered the Ministry of Agriculture, Forestry and Fisheries |
| 1984 | Yale University Master of Business Administration (MBA) |
| 1988-1991 | First secretary at the Japanese Embassy in Italy |
| 2000(-2002) | Councillor of Fisheries Agency |
| 2001(-2003) | Chairman of the Committee on Fisheries of the United Nations Food and Agriculture Organization (FAO) |
| 2002(-2005) | Director of the Fishing Environment and Fishery Resource Division |
| 2004 | Ph.D. Agriculture (Tokyo University) |
| 2005-2007 | Executive Director, Marine Fisheries Research and Development Center (JAMARC), the Fisheries Research Agency |
| 2008 | Professor of National Graduate Institute for Policy Studies |