| March 1992 | Master of Nuclear Engineering, Kyushu University |
| April 1992 | Nuclear Reactor Regulation Division, Science and Technology Agency |
| April 1999 | Visiting Scholar of Department of Nuclear Engineering University of California at Berkeley |
| June 2006 | Counselor for International Cooperation, Research and Development Bureau, Ministry of Education, Culture, Sports, Science and Technology (MEXT) |
| October 2007 | Counselor of Technical Education division, Higher Education Bureau, MEXT |
| August 2009 | Director of Nuclear Fuel Cycle and Material Section, IAEA |
| July 2014 | Director of International Cooperation, Science and Technology Policy Bureau, MEXT |
| January 2016 | Head of Planning and Management Department, RIKEN |
| January 2019 | Deputy Director, Institute for Advanced Synchrotron Light Source, QST |
| April 2020 | Director of Policy Division, Research Promotion Bureau, MEXT |
| July 2021 | Director of National Space policy Secretariat, Cabinet Office |
| April 2022 | Deputy Director-General / Director-General for International Cooperation National Space Policy Secretariat, Cabinet Office |
Mr. SAKAGUCHI Shoichiro
Director General, International Cooperation, National Space Policy Secretariat
Cabinet Office (CAO), Government of JAPAN