Wenchu Pan is currently a second year master’s student in Biostatistics at the University of Michigan, Ann Arbor, and is a research assistant working with Dr. Daniel Almirall and Dr. Lu Wang at the Data Science for Dynamic Intervention Decision-Making Center. His research interests include dynamic treatment regimes, high-dimensional data, semiparametric statistics, and censored or missing data. His current work is on the adaptation of various small-sample variance estimators in GEE to more complex settings.