Professor of demography and population studies at the Institute of Social Sciences at the Lebanese University (1979-2015), and a supervising professor for doctoral theses in the field of demography and population studies at the Higher Doctoral Institute in the Faculty of Arts, Humanities and Social Sciences at the Lebanese University since 2015, an international expert on issues Population and development. She worked as a consultant expert with several international organizations, including the Economic and Social Commission for Western Asia, the United Nations Population Fund, the United Nations Development Program, the United Nations Children's Fund, the International Labor Organization and the World Bank. She has also worked with the Center for Social Research at the American University in Cairo and the Institute of European Studies within the framework of the "Consortium for Applied Research on International Migration in the South" at the Migration Policy Center in Florence.