Dr. Ensheng Dong is an Information Scientist Associate at the RAND Corporation. He completed his PhD studies in Civil and Systems Engineering at the Johns Hopkins University, and has been awarded the Geospatial World Excellence Award and Esri's Making a Difference Award. He recently led the Johns Hopkins University COVID-19 Dashboard. He has published over 20 papers in various journals, and his research interests include spatial analysis, network science, public health, and health policy.