Former positions include the Department Head at the Department of International Studies, the University of Tokyo. A faculty fellow and program director at Research Institute of Economy, Trade and Industry and board member of the Japan Society of International Economics and Japanese Association for Development Economics. Also served a number of policy-advising committees, including the Committee for Japan’s Future under the Council on Economic and Fiscal Policy of the Cabinet Office, and the Industrial Structure Council of the Ministry of Economy, Industry and Trade, and T20 Japan 2019 under G20.
Research fields: international economics, development economics, and applied micro-econometrics, focusing on the role of social and economic network in economic growth and resilience. Published nearly 70 academic papers in refereed journals including Nature Sustainability, the Journal of Industrial Economics, the Journal of Regional Science, Research Policy, World Development, and Ecological Economics.