1. Assistant Professor, Course Director of Implant Prosthodontics, University of Pennsylvania School of Dental Medicine.
2. Assistant Professor, University of Pennsylvania School of Dental Medicine.
3. Assistant Professor, Course Director of Removable Prosthodontics, University of Pennsylvania School of Dental Medicine.
4. Associate Professor of Restorative Dentistry, Department of Restorative Dentistry, University of Pennsylvania School of Dental Medicine; and Prosthodontic Consultant, Veterans Administration Hospital, Philadelphia, PA.