Resident in general surgery Medical College Pennsylvania, Philadelphia, 1982-1984, Lankenau Hospital, Philadelphia, 1984-1986, chief surgical resident, 1986-1987. Fellow in surgical critical care University Hospital, Stony Brook, New York, 1987-1988. Trauma research fellow Lehigh Valley Hospital, Allentown, 1988-1989, associate director trauma, 1989-1992.
General/trauma surgeon Surgical Associates Lehigh Valley, 1989-1992. Director trauma Medical Center Delaware, Newark, since 1992, associate director surgical critical care, since 1992. Lecturer in field.
Fellow American College of Surgeons (chairman committee of trauma Delaware chapter). Member American Medical Association, Society Critical Care Medicine, American Trauma Society, Eastern Association for Surgery of Trauma, American Society Parenteral and Enteral Nutrition, Delaware Medical Society, New Castle County Medical Society, Blood Bank Delaware (board directors).