2021/04 - Today Teikyo University, Advanced Comprehensive Research OrganizationDirector and Research Professor
2015/10 - Today Japan Society for the Promotion of ScienceExecutive Director
2015 - Today National Institute of Advanced Industrial Science and TechnologyEmeritus fellow
2008/09 - Today Yokohama City UniversityEmeritus Professor
2007/06 - Today The University of TokyoEmeritus Professor
2011/10 - 2015/09 Japan Society for the Promotion of ScienceExecutive Director
2010/04 - 2015/03 University of TsukubaDirector, Life Science Center of Tsukuba Advanced Research Alliance
2010/04 - 2015/03 National Institute of Advanced Industrial Science and TechnologyDirector of Research Center for Stem Cell Engineering
2006/04 - 2015/03 National Institute of Advanced Industrial Science and TechnologyEmeritus fellow and Director
2008/10 - 2012/10 International Association of University (IAU)Executive Director
2009/04 - 2012/03 Japan Science and Technology AgencyCernter for Research and Development StrategyPrincipal fellow
2005/09 - 2011/08 Science Council of JapanVice President
2007/04 - 2009/03 Univrersity of TokyoManaging Director, Executive Vice President
1995/04 - 2007/03 The University of Tokyo, Graduate School of Arts and SciencesProfessor
2003/02 - 2005/02 The University of TokyoDean and Head at Graduate School of Arts and Science
1993/04 - 1995/03 The University of Tokyo, Faculty of Arts and SciencesProfessor
1995 The University of Tokyo
1985/01 - 1993/03 Yokohama City UniversityProfessor
1974/10 - 1985/12 Yokohama City University, Faculty of Arts and Sciencesassociate professor
1972/04 - 1974/09 Free University of Berlin (Germany, ) , Institute of Molecular biology,Research Assistant