Center for Research in Radiation, Isotopes, and Earth System Sciences, University of TSUKUBA: Radionuclides Environmental Transfer Section

1981-1985 Department of Geography, Faculty of Literature, Meiji University. Degree of B.Arts, in Physical Geography, for a thesis entitled : Laws of the composition of divide-segment system and drainage basin morphology, Major Professor, Prof. T. Koaze
1985-1987 Institute of Geoscience, University of Tsukuba. Degree of MSc in Geomorphology for a thesis entitled: A hydro-geomorphological study on granitic hills in the eastern area of Aichi prefecture, Japan, Major Professor, Dr. M. Inokuchi
1987-1990 Institute of Geoscience, University of Tsukuba. Degree of Ph.D. in Geomorphology (in July, 1990) for a thesis entitled : Mechanism of the stability of slopes composed of granular materials - Laboratory experiment and modeling - Major Professor, Dr. T. Sunamura

1990-1992 Fellow of the Japan Society for the Promotion of Science for Japanese Junior Scientists
1992-1999 Assistant Professor, Laboratory of Forest Hydrology and Erosion Control Engineering, School of Agricultural Sciences, Nagoya University
Oct.1995-July 1996 Research Associate, Department of Geology & Geophysics, University of California, Berkeley.
Apr.1999-Mar.2003 Lecturer, Institute of Geoscience, University of Tsukuba, Japan
Mar.2003- Feb.2009 Associate Professor, Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan
Mar.2009- Nov.2012 Professor, Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan
Dec.2012- Mar.2023 Professor / Director of CRiED, Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, Japan
Apr.2023- Present Professor / Director of CRiES, Center for Research in Radiation, Isotopes, and Earth System Sciences, University of Tsukuba, Japan