Director of the W.F. Albright Institute of Archaeological Research in Jerusalem. He received his PhD from the Pennsylvania State University in Near Eastern History, Archaeology and Egyptology. He is currently directing excavations of several sites in Israel and Palestine, primarily at Megiddo (Biblical Armageddon), Legio (the base of the Roman VIth Ferrata Legion), and at Solomon's Pools near Bethlehem (the water source of Jerusalem for the last 2,000 years).