Dr. Roseman is a physician epidemiologist with a PhD in immunology and a postdoctoral fellowship in aging. His primary area of research has been on the epidemiology (including genetic epidemiology) of chronic diseases, specifically diabetes, heart disease, cancers, systemic lupus erythematosus and dental diseases. He was the founder of the Jefferson County Registry for Juvenile Onset Diabetes studying the epidemiology of insulin-dependent diabetes mellitus. He has also been involved in studies of suicide, homicide, car crashes, and agricultural injuries among Southern farmers. He has conducted a number of surveys of risk factor prevalence. Much of his research is community-based and focused on African-Americans.