1953 Born in Oita Prefecture, Japan       

1975 Bachelor of Agriculture, The University of Tokyo

1980 Doctor of Agriculture, The University of Tokyo

1981 Research Associate, National Fisheries University

1987 Associate Professor, Faculty of Fisheries, Nagasaki University

1995 Professor, Faculty of Bioresources, Mie University

2001 Professor, Ocean Research Institute, The University of Tokyo

2006 Professor, Graduate School  of Frontier Sciences, The University of Tokyo

      (additional post: Professor, Ocean Research Institute, The University of Tokyo)