Prof. Bayoumi is Chairman of the Department of Clinical Biochemistry, College of Medicine, Sultan Qaboos University, Muscat, Oman. He graduated from Khartoum Medical faculty (1967) and obtained Ph.D. in Biochemistry from London University (1973). Prof. Bayoumi is elected member of the Royal College of pathologists (1975) and a fellow of the same College in 1995. He has extensive experience in clinical biochemistry and molecular biology teaching and research. His main research interest is in population genetics, mapping of monogenic and complex polygenic diseases. Prof. Bayoumi mapped Joubert Syndrome, Spastic Paraplegia, and spondyloepiphyseal dysplasia. At present, he is involved in the study of hypertension, diabetes and obesity in large extended and highly consanguineous Omani pedigrees.