He completed his Ph.D. in Statistics at Columbia University in 2016. Before joining LSE, Dr. Chen was an assistant professor in the Department of Psychology and the Institute for Quantitative Theory and Methods at Emory University. Dr. Chen’s primary scholarly focus is on the development of statistical and computational methods for solving problems in educational and psychological sciences, under three interrelated topics including (1) large-scale item response data analysis, (2) measurement and predictive modeling based on students’ dynamic behavioral data and (3) adaptive designs in educational measurement and learning. His articles have been published in a number of leading journals including Psychometrika, Journal of the American Statistical Association, British Journal of Mathematical and Statistical Psychology, and Applied Psychological Measurement.