2010.11-now　 Professor of Department of Psychology, Kyoto University
2000-2010　 Associate Professor of Department of Psychology, Kyoto University
1998-2000　 Associate Professor of Oita University of Nursing & Health Science
1997-1998　 Visiting Scientist of Yerkes Primate Center & Department of Psychology, Emory University
1992-1997　 Lecturer/Associate Professor, Oita Prefectural College of Arts and Culture
1991-1992　 Tentative Lecturer, Yokohama National University
1989-1991　 Researcher of JSPS, Visiting Researcher of Robert Wood Johnson Medical School, NJ

2004.9-2009.3 RISTEX,JST Group Leader
2002.4- ATR Intelligent Robotics Laboratory, Visiting Researcher
2001.3　Electronic Laboratory, COE Researcher
2000.2　Electronic Laboratory, COE Researcher
1999.9　Electronic Laboratory, Information Science, Visiting Researcher
1996.9　Electronic Laboratory , Intelligent System, Visiting Researcher

1986-1989 Primate Research Institute, Kyoto University, Ph.D.
1984-1986 Primate Research Institute, Kyoto University, MA.
1979-1983 Department of Psychology, Yokohama National University, BA