1. Assistant Professor, Director of Implant Dentistry, Department of Prosthodontics, Gainesville, FL.
2. Professor and Chairman, Department of Prosthodontics, University of Florida School of Dentistry, Gainesville, FL.
3. Assistant Professor, Department of Oral and Maxillofacial Surgery, Gainesville, FL.
4. Associate Dean for Graduate Education and Research, University of Detroit Mercy School of Dentistry, Detroit, MI.