1. Consultant, Department of Surgery, San Fernando Teaching Hospital, San Fernando, Trinidad and Tobago
2. Consultant, Department of Clinical Surgical Science, University of the West Indies
3. Head of the Department of Surgery, San Fernando Teaching Hospital, San Fernando, Trinidad and Tobago
4. Registrar, General Surgery, San Fernando Teaching Hospital, San Fernando, Trinidad and Tobago
5. Senior Lecturer, Department of clinical Surgical Science, University of West Indies, St. Augustine. Trinidad and Tobago
6. Head of the Department of Clinical Surgical Science, University of West Indies, St. Augustine. Trinidad and Tobago
7. Professor of Emeritus, Department of Clinical Surgical Science, University of West Indies, St. Augustine. Trinidad and Tobago