Current Positions
■ Director, Hokkaido Comprehensive Geological Research Center.
■ Visiting Investigator, Earth and Planets Laboratory, Carnegie Institution for Science.
■ Visiting Researcher, Earthquake Research Institute, The University of Tokyo.

Research Field
■ Geophysics (Seismology, Statistical Modeling, Discovery Science).

Degree
■ Doctor of Science, Hokkaido University (1990).
Dissertation:
A Study of Detection and Extraction Methods for Microearthquake Waves by Autoregressive Models

Education
■ 1964 – Nagano High School.
■ 1968 – B.Sc., Shinshu University.
■ 1971 – M.Sc., Geophysics, Hokkaido University.
■ 1973 – Doctoral Program (Geophysics), Hokkaido University.

Academic and Professional Appointments
■ 1973 – Research Associate, Hokkaido University.
■ 1990–1993 – Postdoctoral Fellow, Carnegie Institution of Washington.
■ 1999 – Associate Professor, Hokkaido University.
■ 2007 – Associate Professor (tenured), Hokkaido University.
■ 2009 – Retired from Hokkaido University.
■ 2009–2013 – Visiting Professor, Sapporo Gakuin University.
■ 2011–2013 – Visiting Professor, Earthquake Research Institute, University of Tokyo.
■ 2013–Present – Visiting Investigator, Carnegie Institution for Science.
■ 2015–Present – Visiting Researcher, University of Tokyo.
■ 2018–Present – Director, Hokkaido Comprehensive Geological Research Center.