- 2014/04/01 - 現在 Niigata University Research Institute for Natural Hazards and Disaster Recovery Specially Appointed Professor
- 2011/04/01 - 現在 Niigata University Graduate School of Science and Technology Environmental Science and Technology Professor
- 2011/04/01 - 2014/03/31 Niigata University Professor
- 2006/04/01 - 2011/03/31 Niigata University Research Center for Natural Hazards and Disaster Recovery Professor
- 1997/04/01 - 2006/03/31 Niigata University Professor
- 1990/01/01 - 1997/03/31 Niigata University Associate Professor (as old post name)
- 1989/07/01 - 1989/12/31 Niigata University Graduate School of Science and Technology Assistant
- 1983/07/01 - 1989/06/30 ウィーン農科大学砂防及び雪崩研究所 研究員
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