He is also a member of the research group on exchange rates and international currency at the Research Institute of Economy, Trade and Industry (RIETI) and a research fellow at the Tokyo Center for Economic Research (TCER). Prior to his current position, he was an associate professor at the Faculty of Economics, Nanzan University (until 2017) and a visiting fellow at the Center on Japanese Economy and Business, Columbia Business School (2012-2014), among other roles. His research expertise is in international finance, international trade, monetary economics, and macroeconomics. He earned his Ph.D. in Commerce and Management from Hitotsubashi University in 2010.