Visiting Professor, International Christian University Professor Emeritus, University of Tokyo
After graduating from the University of Tokyo, earned his PhD in economics at the Massachusetts Institute of Technology. Has been an assistant professor of economics at Yale University, a visiting associate professor at Princeton University, and a visiting professor at the University of Pennsylvania. Won the Medal with Purple Ribbon in April 2007. In April 2009, received an honorary doctorate from the University of Belgrade.Currently also serves as a member of the Tokyo Foundation advisory committee for CSR research.