وسط بيروت
Nahas is a leading social anthropologist and the author of many publications and studies on the Lebanese economy. He has acted as an expert for a number of Lebanese state institutions, as well as many international organisations, including the World Bank and the United Nations. Nahas was in charge of the reconstruction of Beirut Central District from 1982 to 1986. Nahas has contributed to development in areas including policy formation and public administration in Syria, Jordan, Saudi Arabia and Iraq, amongst others.