1. Consultant, Lagos University Teaching Hospital, Lagos, Nigeria, 02/07/78 – 21/06/89
2. Consultant, Anaesthesiology, Noida Medicare Centre, Noida, May 1990 – March 1996
3. Sr. Consultant, Dept. of Anaesthesia, Vidyasagar Institute of Mental Health and Neurosciences, New Delhi, (VIMHANS), 28/09/95 – 15/01/96