He has lived in Egypt since 1993. His primary field of research is the Islamic architecture of Cairo, but he has also participated in or directed numerous projects related to the documentation, preservation, and presentation of historic structures and archaeological material throughout the country. These include projects undertaken for ARCE at the Ottoman fort at Quseir on the Red Sea coast, the tombs of Anen and Menna on the West Bank of Luxor, the Roman fortress of Babylon in Cairo and the late-antique monastic churches of Sohag. He has also worked for ISAW at Amheida in the Dakhla Oasis. His academic publications include The Monuments of Historic Cairo: a map and descriptive catalogue and The True Description of Cairo: a sixteenth-century Venetian view.