Dr. Stoto, a Professor of Health Systems Administration and Population Health at Georgetown University, is a statistician, epidemiologist, and health services researcher. He also holds adjunct faculty appointments in the Department of Family Medicine, the Georgetown University Law Center, and the McCourt School of Public Policy. Dr. Stoto’s research includes methodological topics in epidemiology and statistics including systematic reviews/meta-analysis and other analytical methods for comparative effectiveness research, community health assessment, evaluation methods, and performance measurement. His substantive research interests include public health practice, especially with regard to emergency preparedness; drug and vaccine safety; infectious disease policy; and ethical issues in research and public health practice. Dr. Stoto is an expert on population health and public health assessment, and the associate director of the population health scholars program in the Georgetown University School of Medicine. His work in this area has included systems-oriented evaluations of public health surveillance systems at the local to global level, addressing both statistical methods and public health practice issues.Dr. Stoto has developed methods for evaluating community health assessments and performance measures and helped to develop Community Health Needs Assessments (CHNAs) in MedStar Georgetown University Hospital and the other hospitals in the MedStar system as well as state and local health departments in the Washington DC metropolitan area. Dr. Stoto is currently leading a project to evaluate the impact of new federal requirements that non-profit hospitals conduct CHNAs. Dr. Stoto is also an expert in public health systems research (PHSR), focusing on applying and developing rigorous mixed-methods approaches to studying and evaluating federal, state, and local public health systems. Much of Dr. Stoto’s recent PHSR work has focused on public health emergency preparedness, and he was the co-Principal Investigator of the CDC-funded Preparedness and Emergency Response Research Center based at the Harvard School of Public Health. Dr. Stoto’s work in this area has focused on regionalization in public health, the evaluation of biosurveillance methods, and the development of methods for assessing emergency preparedness capabilities based on exercises and actual events.