1. Instructor, Department of Restorative Dentistry and Biomaterials Science; Harvard School of Dental Medicine; Boston MA
2. Advanced graduate, Prosthodontics, Department of Restorative Dentistry and Biomaterials Science; Harvard School of Dental Medicine; Boston MA
3. Professor and Chair, Department of Prosthodontics; University of North Carolina School of Dentistry; Chapel Hill NC
4. Section Head, Maxillofacial Prosthodontics; Cleveland Clinic; Cleveland OH