| April, 1984 | Joined Ministry of International Trade and Industry (now known as METI) |
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| June, 1998 | Director for Advanced Reactor Development, Agency of Natural Resources and Energy, METI |
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| June, 2000 | Senior Adviser to the Director General, United Nations Industrial Development Organization (UNIDO) |
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| June, 2003 | Special Adviser to the Director General, UNIDO |
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| July, 2004 | Director, Nuclear Safety Commission, Prime Minister’s Cabinet Office |
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| August, 2006 | Professor, Frontier Research Center, Tokyo Institute of Technology |
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| July, 2009 | Director General, Economic Policy Department, Kansai Regional Bureau, METI |
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| September, 2012 | Executive Director, New Energy and Industrial Technology Development Organization (NEDO) |
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| January, 2016 | Head, UNIDO Tokyo Office |
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| April, 2017 | Deputy Director General, UNIDO |
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| July, 2022 | Special Advisor to the President, The Institute of Applied Energy (IAE) |
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| June, 2023 | Vice President / CEO, IAE |
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