1. Clinical Instructor, Department of Restorative Dentistry, MD.
2. Associate Professor, Program Director, Advanced Education Program in Prosthodontics, MD.
3. Associate Professor, United States Naval Academy, Annapolis, MD.
4. Professor, Department of Biomaterials, Department of Restorative Dentistry, MD.
5. Professor, Department of Oral Health Care Delivery, Baltimore College of Dental Surgery, University of Maryland, Baltimore, MD.