Consultant paediatrician, Khartoum Cheshire Home for Rehabilitation of Handicapped Children Khartoum, 1983 -1996 (Voluntary clinic once a week)

• Consultant paediatrician, Neonatal Unit, Police Hospital, since 1997.

• Honorary Research Fellow,   Department of Paediatrics and Child Health, University of Newcastle Upon Tyne, Newcastle Upon Tyne, U.K. (nine months) .
• Honorary Research Fellow, Section of Epidemiology, The Institute of Cancer Research, University of London, Surrey, U.K. (six weeks).
• Field director, Maternity Care Monitoring Project  conducted   jointly by the U of K, Ministry of Health and the International Development Centre (IDRC), Canada, 1985 -1989

• Principal Investigator, High Titre Early Measles Vaccination Project, conducted jointly by the U of K and IDRC Centre, Canada,1989 -1989.

• Member of the Steering Committee for introduction of IMCI pre-service training to medical schools and paramedical training institutes (WHO, MOH) since 2000.

• Chairperson of the adaptation subgroup on measles and fevers for IMCI program.

• Overseas sponsor for a number of postgraduate doctors training in UK, USA and The Netherlands.