Professor, Faculty of Science and Engineering, Chuo University, Tokyo, Japan.
Chairman, TC4, ISSMGE.

Research Field:
Dynamic soil properties and their evaluation
Dynamic response of ground
Liquefaction of sand/gravelly soils
Earthquake-induced slope failure

Academic Society Activity:
Vice-President of Japanese Geotechnical Society (2002-2003)
Chairman of Asian Technical Committee No.3 (Geotechnology for Natural Hazards) of ISSMGE (1998-2005)
Chairman of Technical Committee No.4 (Earthquake Geotechnical Engineering & Associated Problems) of ISSMGE (2006- )