Professor, 1979 - present, Institute of Social Sciences - Branch I, Lebanese University.
Professor (Master's Level II), 2008 - 2011, La Sagesse University.
International Consultant (Iraq's Census Project), December 2009, United Nations Population Fund (UNFPA).
Professor (Executive Master Program in Psycho-Social Animation in War-Torn Societies in collaboration with the International Organization for Migration, the Ministry of Social Affairs, the United Nations Children's Fund (UNICEF) and the Lebanese University), 2008, Lebanese University.
International consultant (Formulation of the Population and Development Component of the 2007-2011 Country Programme Action Plan - CPAP), March - April, 2007, United Nations Population Fund (UNFPA) - Algeria.
Executive director of the "Lebanon Maternal and Child Health Survey - 1996" within the Pan Arab Project on Child Development (PAPCHILD), 1994 - 1996, Ministry of Public Health in collaboration with the League of Arab States.
Member, Asian Population Association, Chulalongkorn University (Thailand), 2010 - present.
Founding Member, Center for Studies on Aging, American University of Beirut, 2009-present.
Founding Member, Network of Arab Demography (NAD), American University of Beirut, 2006-present.
Expert on population issues, National Permanent Committee of Population, Ministry of Social Affairs (Lebanon), 1993-present.
Member, International Union for the Scientific Study of Population (IUSSP - Paris), 1986-present.
Representative of Lebanon, Women Committee of the "Didacthèque Internationale en Management Public", National School of Public Administration (ENAP - Quebec) in collaboration with the National Institute of Administration and Development (Beirut), 1996-2000