Cindy M. Liu, M.D., MPH, Ph.D. is an Associate Professor in the Department of Environmental and Occupational Health and Chief Medical Officer of Antibiotic Resistance Action Center at the George Washington Milken Institute School of Public Health in Washington D.C. Dr. Liu is trained in molecular microbiology, microbial ecology, clinical pathology (laboratory medicine), and clinical epidemiology. It is her career mission to help medicine to shift infectious disease and public health practices based on our understanding of the human microbiome, and importantly, to move beyond empiric antibiotic use in order to combat antibiotic resistance.To achieve her career mission, Dr. Liu works on several research projects that are funded through the NIH and other governmental agencies and foundations. Her research projects are highly multidisciplinary and involves team members and collaborators that range from molecular microbiologists, bioinformaticists, immunologists, clinicians, and epidemiologists to individuals working on communications and behavioral research.