 He was Director of the International PhD programme, Prehistory and Protohistory, History and Archaeology of the Ancient World and of the Ancient Societies of North Africa, Sahara and Mediterranean Levant Studies Centre], with B. Barich and M. de Vos Raaijmakers.His first work was devoted to the archaeology and topography of ancient Rome and Roman Etruria.He was member of the editorial board of the "Lexicon Iconographicum Urbis Romae", edited by E. M. Steinby.