
| 1978 | Graduated from Department of Aeronautics, University of Tokyo |
| 1978 | Joined Mitsubishi Research Institute, Inc |
| 1996 | Chief Researcher, Center for Total Safety Research, Mitsubishi Research Institute, Inc |
| 2003 | General Manager, Department of Safety Policy Research, Mitsubishi Research Institute, Inc |
| 2005 | Research Fellow, Mitsubishi Research Institute, Inc |
| 2009 | Received engineering doctorate from Yokohama National University |
| 2011 | Visiting Professor, Yokohama National University |
| 2014 | Professor, Graduate School of Environment and Information Sciences, Yokohama National University |
| 2015 | Director, Center for Creation of Symbiosis Society with Risk, Yokohama National University |
| 2020- | Visiting Professor, Yokohama National University |
Science and Technology Policy, Risk Management, Crisis Management, Safety Engineering