Field Work
| 2000 | Excavations at the Valley of the Golden Mummies and the 26th Dynasty site at Bahriya Oasis |
| 1999 | Director of the Excavation of the Western Field of Khufu's Pyramid |
| 1999 | Director of the Excavation of the Water Shaft under Khafre's Causeway |
| 1999 | Director of the Excavation of the Valley of the Mummies, Bahriya Oasis |
| 1996 - PRESENT | Director of Excavation of the Third Pyramid at Giza |
| 1995 - PRESENT | Director of Excavation in front of the Valley Temple of Khafre |
| 1992 - PRESENT | Director of Excavation of the Pyramid Complex of Teti at Saqqara |
| 1991 - PRESENT | Co-director of the Excavation to the southeast of the Sphinx (Workmen's Village) |
| 1991 - PRESENT | Director of Nazlet-el-Batran Excavation |
| 1991 - PRESENT | Director of the Excavation of Beni Youssef |
| 1991 - 1995 | Director of Excavation of the Old Kingdom Settlement at Giza (Nazlet- E1-Samman) |
| 1991 - 1995 | Director of Excavation east of the Great Pyramid |
| 1990 - PRESENT | Director of Excavation of the Tombs of the Overseers of the Pyramid Builders, southeast of the Sphinx |
| 1990 - 1991 | Director of Excavation of the Causeway and the Valley Temple of Khufu |
| 1988 - 1995 | Director of Excavations of the Western Field of Khufu's Pyramid |
| 1987 - 1988 | Director of Excavation of the site of Kafr-El-Gebel, east of the Sphinx |
| 1980 | Director of Excavations in front of the Sphinx Temple and northeast corner of the Sphinx of Giza (Old Kingdom) |
| 1979 - 1980 | Director of Excavations at Abou-Rawash (Archaic Cemetery) |
| 1978 | Director of Excavation at northeast corner of Sphinx and Nazlet-El-Samman, Giza (Old Kingdom) |
| 1976 - 1977 | Archaeological Survey at South Yemen on behalf of the Egyptian Antiquities Organization and UNESCO of the Arab League |
| 1976 | Director of Preliminary Excavations, Merimdeh Beni Salama (prehistoric) |
| 1975 | Director of Excavations at Kom Abou Bellou, Delta (Pharaonic, Greek, Roman site) |
| 1975 | Director of Excavations at Khus Abou Zied, Embaba Province (Late Period) |
| 1970 - 1974 | Associate Director of Excavations at Kom Abou Bellou (Pharaonic, Greek, Roman) |
| 1968 | Associate Director of Excavations at Ashmuneim, Middle Egypt (Greek, Roman) |
