1984 B.E. in Northwestern Polytechnical University (China)
1988 M.E. in Graduate School of Engineering, Chiba University
1991 Ph.D in Graduate School of Science and Technology, Chiba University
1991 Assistant Professor, Chiba University
1996 Associate Professor, Chiba University
2001 Visiting Associate Professor, Louisiana State University (USA) (Jan. to Dec.)
2006 Visiting Professor, University of Science and Technology Beijing
2010 Professor, Graduate School of Engineering, Chiba University
2014 Visiting Professor, Northwestern Polytechnical University
2017 Visiting Professor, China University of Geosciences (Wuhan)