1. Clinical Lecturer/Hon Specialist Registrar in Restorative Dentistry, University of Bristol Dental Hospital & School at Guy's, King's College and St Thomas' Hospitals, London, UK
2. Professor of Restorative Dentistry, Glasgow Dental School and Hospital at Guy's, King's College and St Thomas' Hospitals, London, UK
3. Professor of Restorative Dentistry and Dean and Head of King's College London Dental Institute at Guy's, King's College and St Thomas' Hospitals, London, UK