1. Demonstrator in Sedation and Special Care Dentistry, Guy's, King's and St Thomas' School of Dentistry, London
2. Senior Lecturer/Honorary Consultant in Dental and Maxillofacial Radiology, University Dental Hospital of Manchester
3. Lecturer in Oral Surgery, Department of Oral and Maxillofacial Surgery, University Dental Hospital of Manchester
4. Research Fellow in Sedation and Special Care Dentistry, Guy's, King's and St Thomas' School of Dentistry, London