Complex sentence: Moustafa Gadalla (born 1944) is an Egyptologist from Cairo, director of the Tehuti Research Foundation, a US-based non-profit organization dedicated to studies of Ancient Egypt.
Split into simpler sentences: Moustafa Gadalla (born 1944) is an Egyptologist from Cairo. He is the director of the Tehuti Research Foundation, a US-based non-profit organization dedicated to studies of Ancient Egypt.