YU Kwang Hyun is an Associate Professor in the Department of International Trade at Chosun University. He holds a Ph.D. in International Trade, with a specialization in trade practices, customs, and international logistics. He serves as Vice President of several academic societies, including the Korea Customs Association and the International Commerce Society, and is actively involved in academic research and conferences. In 2021, he contributed as a researcher to a Korea Customs Association project on improving the JDC-designated duty-free shop system. He also serves as a review committee member for bonded area licensing at the Korea Customs Service, demonstrating expertise in customs and duty-free systems.