1. Dental Lecturer, School of Dental Sciences, Universiti Sains Malaysia, Malaysia
2. Reader in Prosthodontics, Honorary Consultant in Primary Dental Care, Programme Co-Director DClindent Prosthodontics, Institute of Dentistry, Queen Mary University of London
3. Clinical Lecturer in Prosthodontics, Specialist in Prosthodontics, Honorary Trust Dentist, Barts Health NHS Trust, Institute of Dentistry, Queen Mary University of London
4. Consultant in Restorative Dentistry, Director of Dental Education, Royal London Hospital, Barts Health NHS Trust; Honorary Senior Lecturer, Programme Co-Director DClindent Prosthodontics, Institute of Dentistry, Queen Mary University of London