1. Assistant Professor; Department of Removable Prosthodontics; Nihon University School of Dentistry at Matsudo; Chiba Japan
2. Formerly Visiting Assistant Professor; Department of Periodontics; Creighton University School of Dentistry; Omaha NE
3. Professor; Department of Statistics; University of Nebraska; Lincoln NE
4. Director, Specialist Dental Group; Mount Elizabeth Hospital; Singapore
5. Adjunct Associate Professor; Graduate Prosthodontics; National University of Singapore; Singapore
6. Staff Dentist/Maxillofacial Prosthodontist, VA Nebraska-Western Iowa Healthcare System; Omaha NE
7. Special Associate Professor, Department of Prosthodontics; Creighton University School of Dentistry; Omaha NE