1. Associate Professor, Transfusion Medicine, Sir Salimullah Medical College, Dhaka.
2. Senior Specialist, Transfusion Medicine, Evercare Hospital Dhaka.
3. Assistant Professor, Transfusion Medicine, Sir Salimullah Medical College, Dhaka
4. Junior Consultant, Transfusion Medicine, Asgar Ali Hospital, Dhaka
5. Medical Ofcer, Transfusion Medicine, Sir Salimullah Medical College, Dhaka.