Born in Japan in November 23, 1956.

Graduated from University of Tokyo in March 1979.

Doctor of Science, 1985 (Advisor: Professor Hiroshi Fujita)

Professional career

- Professor of Mathematics at Research Institute for Mathematical Sciences (RIMS), Kyoto University, since April 1994.
- Associate Professor at RIMS, April 1990
- Associate Professor at Dept. of Applied Science, Univ. of Tokyo, August 1987
- Research Associate to Prof. Hiroshi Fujita at Dept. of Mathematics, Univ. of Tokyo, April, 1981.
- Visiting Fellow at Institute for Mathematics and Its Applications, Univ. of Minnesota, during July 1986 -- July 1987.
- Visited National University of Singapore in 1988, with support from JSPS (Japan Society of Promotion of Science).

- Vice-president of the Japan SIAM. 2013--present
- President of the East Asia SIAM, 2011--2012
- Deputy Director of RIMS 2011
- Deputy Director of RIMS 2009
- Deputy Director of RIMS 2006
- Head of the Computer Science Research Laboratory of RIMS, 2004-2005.
- Member of the board of the Trustees, Japan SIAM, 2003--2006
- Associate member of the Science Council of Japan, 2006 & 2007

Honors and others

- Sumitomo Foundation Research Grant, 1992 and 1993
- Invited one hour talk at Mathematical Society of Japan, Annual Meeting, March, 1993
- Invited one hour talk at Physical Society of Japan, Annual Meeting, September, 1995
- Japan Society for Industrial and Applied Mathematics, Annual Award of JSIAM Papers, No. 26 in my publication list: Exact solutions of the Navier-Stokes equations via Leray's method, Japan J. Indus. Appl. Math., , vol. 14 (1997), pp. 169--197.
- Plenary Lecture at the annual meeting of Japan Society of Fluid Mechanics, July 29th, 1997.
- Invited 45 minutes lecture at International Congress of Mathematicians, Berlin 1998
- Invited one hour survey lecture at Mathematical Society of Japan, March, 1999.
- Inoue Science Award, February 4th, 2002.
- Elected Fellow of the Japan Society of Fluid Mechanics, February, 2013.
- Elected Fellow of the Japan Society for Industrial and Applied Mathematics, May, 2013
- JMSJ Outstanding Paper Prize, April, 2014
- Ordway Visiting Professor, School of Mathematics, University of Minnesota, Nov.--Dec., 2014