Education:
1992.03   Faculty of Science, University of Tokyo, B.S., Geophysics
1994.03   Graduate School of Science, University of Tokyo, M.S., Geophysics
1997.03   Graduate School of Science, University of Tokyo, Ph.D., Geophysics

Professional Positions:
1997.04   JSPS Resarch Fellow, Graduate School of Science, University of Tokyo
1999.07   Research Associate, Earthquake Research Institute, University of Tokyo
2010.11   Associate Professor, Earthquake Research Institute, University of Tokyo
 (2003.9-2004.8 Visiting Scientist, Berkeley Seismological Laboratory, University of California)

Research Interests:
(1) Waveform inversion for 3-D Earth structure.
(2) Development of accurate and efficient method for computing synthetic seismograms.