Prior to joining CSI as an assistant professor, he was an economist at the ADP Research Institute of Automatic Data Processing, a substitute lecturer of the School of Business, and a senior econometrician of the CUNY High Performance Computing Center. He received a Ph.D. in Economics at The Graduate School of The City University of New York in 2015, and a B.A. in Economics and a B.S in Applied Statistics in 2009 from Yonsei University, Korea. He specializes in large-scale statistical computing that enhances statistical analysis of big data on a high performance computing system, and general econometric methods (time series and panel data analysis).