Stephen Petterson joined the Robert Graham Center in 2005. He is currently the Research Director, both overseeing and contributing to the Center's analytical activities. Previously, as a sociologist and social statistician, he was on faculty at the University of Virginia and a researcher at the Southeastern Rural Mental Health Research Center. Stephen has taught cours-es in graduate and undergraduate statistics, welfare policy, problems of urban life and sociology of work. He earned a Ph.D. in sociology from the University of Wisconsin, and an undergraduate degree in sociology and anthropology from Haverford College.