Before coming to Seattle, he served as Team Leader of the Healthy Community Design Initiative in the National Center for Environmental Health, at the Centers for Disease Control and Prevention (CDC) in Atlanta. For the past decade, his research and teaching has focused on examining the health aspects of community design including land use, transportation, urban planning, and other issues related to the built environment. He has a particular interest in the use of a health impact assessment as a tool to inform community planners about the health consequences of their decisions. Previously he served as Director of CDC’s Division of Applied Public Health Training, as Preventive Medicine Residency director and as an injury prevention epidemiologist on the faculty at the Johns Hopkins University School of Public Health in Baltimore, and as a cardiovascular epidemiologist at the National Institutes of Health in Bethesda.