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						 1984 | B. of Liberal Arts, University of Tokyo | 
			
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						1988 | Ph.D. (physics), Tokyo Institute of Technology | 
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						1988 | Japan Society for the Promotion of Science Fellow, Institute for Nuclear Study, University of Tokyo
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						1988 | Alexander von Humboldt Research Fellow, University of Hamburg
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						1990 | Scholar, Dublin Institute for Advanced Studies
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						1993 | Senior Scholar, Dublin Institute for Advanced Studies
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						1993 | Assistant Professor, Institute for Nuclear Study, University of Tokyo
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						1995 | Associate Professor, Institute for Nuclear Study, University of Tokyo
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						1998 | Associate Professor, Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
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						2021 | Senior Fellow, Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
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| 2023 ~  | Diamond Fellow, High Energy Accelerator Research Organization (KEK)
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| 2024 ~  | Specially Appointed Professor, Physics Department, College of Science and Technology, Nihon University
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