Dr. Song's current research interests include data integration, distributed inference, high-dimensional data analysis, longitudinal data analysis, mediation analysis, spatiotemporal modeling, and smart health. He collaborates extensively with researchers from nutritional sciences, environmental health sciences, chronic diseases, and nephrology. He has published over 200 peer-reviewed papers and graduated 22 PhD students as well as 6 postdoc trainees. He is IMS Fellow, ASA Fellow and Elected Member of the International Statistical Institute.