His research interests include advertising and R&D effects on financial measures, dynamic price promotion effects, and demand forecasting in movie and game industries. He is also interested in the application of time series, hidden Markov, and finite mixture models. His research papers have been published in Journal of Marketing, International Journal of Research in Marketing and Psychometrika among other journals. He received a Ph.D. degree from University of California, Irvine, and Bachelor's and Master's degrees in Business Administration from Yonsei University in Korea.