Yoshihiro Hamaguchi received his PhD from Osaka University in March 2020 and currently serves as Professor of Macroeconomics at Hannan University, Osaka, Japan. His research aims to identify the mechanisms of sustainable development, utilising macroeconomic theories of economic growth and analytical methods from international and political economics. His research to date has elucidated how environmental policies can lead to pollution reduction and economic growth through innovation and he has applied his findings to the pollution haven hypothesis, sustainable tourism and sustainable finance. He has received several research grants from the Japan Society for the Promotion of Science (JSPS), reported his research at numerous peer-reviewed international conferences and published in the Journal of Macroeconomics, Tourism Economics, Transport Policy, Frontiers in Marine Science, China & World Economy, Environment, Development and Sustainability, Journal of Environmental Management, among others. Some of these papers were commended for obtaining the highest number of citations in a year. The organisation responds to peer-review requests from various international journals based on these results. He was a member of the Future Design Research Centre (FDRC) within KUAS, where he was involved in policy recommendations based on his research results and in social contribution.