1989-1991 Researcher Safety Research Institute for Chemical Compounds (Japan)
1991-1992 Research Assistant Tonen K.K. Institute of Basic Science (Japan)
1992-1993 Higher Scientific Officer Institute of Virology and Environmental Microbiology, NERC (UK)
1994-1995 Postdoctoral Fellow Thomas Jefferson University, School of Medicine (USA)
1995-1997 Research Associate Michigan State University, Department of Biochemistry (USA)
1997-2007 Assistant Professor/Instructor KEIO University, School of Medicine (Japan)
2007 – 2009 Research Assistant Professor Georgetown University, Department of Neurology (USA)
2009 – 2012 Assistant Professor Simon Fraser University, Faculty of Health Sciences (Canada)
2012-present Associate Professor Sophia University, Faculty of Science and Technology (Japan)

PhD (The University of Tokyo)

Neurodegenerative disorders,  Humanin, Aging