He graduated from Keio University and received his M.A. and Ph.D., both in education, from University of California, Los Angeles (UCLA). He had worked at Education Sector of UNESCO in Paris as an Assistant Education Specialist and taught as an Associate Professor at Graduate School of International Development, Nagoya University and Department of Education, Faculty of Human Sciences, Sophia University. He was a Fulbright Scholar at the George Washington University, a visiting professor at the University of Dhaka in Bangladesh, and has been a member of international advisory board at the Master of Education Program at Royal University of Phnom Penh in Cambodia.