Krzysztof is a statistical epidemiologist who has experience working with large datasets from surveillance sources and medical trials. His research is on creating decision support tools for public health challenges by applying mathematical modeling, Bayesian inference, and modern data science techniques. Past projects addressed dengue fever control, spatial models of contraceptive access, and the comparative evaluation of new treatments in oncology. Dr. Sakrejda is currently a Senior Research Area Specialist in the Department of Epidemiology and the Center for Social Epidemiology and Population Health at the University of Michigan. His current research is focused on decision support tools for infectious diseases of public concern, including COVID-19.