Secretary-General of the ASEAN-Japan Centre, from September 2021. Former Regional Advisor Regional Chief of Health, UNICEF East Asian and Pacific Regional Office, Bangkok, Thailand. He worked as a technical advisor and representative of regional offices for United Nations Children's Fund (UNICEF) for more than 18 years from May 2003 to August 2021. Prior to that, he engaged in technical assistance in hospitals in developing countries for around 10 years. He obtained Ph.D. in Physiology and Medicine from the University of Tsukuba, Ibaraki Prefecture, Japan.