He is the program coordinator for the environmental health program and PI of the Spatial Health Lab. His research focuses on connecting people to places to determine chronic disease risk factors and prevention opportunities. He is developing new methods to assess environmental exposures for large population-based studies using new technologies and big data approaches. He has been PI and co-Investigator on several grants that assess air pollution and built environment exposures, determine associations with health outcomes, and translate this information into effective policy and prevention activities. Currently, he is PI of a 5-year NIH funded grant to examine the cardiopulmonary health effects from air pollution in the global prospective urban and rural epidemiology (PURE) study.