Director, World Health Organization Special Program of Rch, Development & Rch Training in Human Reproduction, Human Reproduction Program, World Health Organization since 1989. Responsible Officer for Rch and Development, Special Programme of Rch, Development & Rch Training in Human Reproduction, World Health Organization, Geneva, 1986-1988. Dean, Fey of Medical, Assiut University, Egypt, 1978-1986.
Chairman, Obstetrics & Gynecology, 1976-1978, Professor, since 1972, Fey of Medical, Assuit University. Assistant Professor of Obstetrics & Gynecology, 1968-1972, Lecturer, 1963-1968, Assistant Lecturer, 1962-1963, Assiut University.