Hongseok holds an M.S. in Industrial Engineering from Pohang University of Science and Technology (POSTECH); a B.S. in Electrical & Computer Engineering and a B.B.A. from University of Seoul. During his master's studies, he worked as a research assistant in the Technology Management lab. His research interests lie broadly in Retail Operations, e-Commerce, OM-IS/Marketing Interface with an Emphasis on Retailing in Supply Chains, Supply Chain Management, and Business Analytics.