David Marker, Ph.D., is an Associate Director for Public Health and Epidemiology. Using his expertise in statistical methods, data collection, and analysis, Dr. Marker tackles a wide range of public health and policy issues. Research projects have included combining survey and administrative data to estimate total (including undiagnosed) diabetes prevalence rates at the state level. His work also involved helping the Environmental Protection Agency develop pollution limit guidelines and understand the effect hydraulic fracturing has on groundwater. Another environmental project involved estimating the number of homes with lead hazards.
Dr. Marker has reported on the characteristics of public and private schools, principals, and teachers. His expertise has also been called on to provide expert testimony on the impact of state voter identification laws.