Director, 2001- present, Arab Open University, Lebanon.
Evaluator of research proposals, 2002 - present, EU funded projects, INCO, EUMEDIS, ERAWIDE.
General Secretary of the Scientific Council, Director of the Office of External Projects, & Coordinator of Automating Lebanese University project, 1995 - 2001, Lebanese University.
Coordinator of Education Services Unit, 1991 - 1994, American University of Beirut.
Professor, 1982 - 1990 & 1994 - 2001, Faculty of Education, Lebanese University.
Chairperson of Mathematics and Science Department, 1984 - 1986, Faculty of Education, Lebanese University.
Member of the ESCWA Consultative Committee on Scientific and Technological Development and Technological, 2006 - present.
National Contact Point for FP7 for research funded by the European Commission, 2004 - present.
President of the Advisory Board of the Institute for Educational Development, 2000 - present.
Representative of Lebanon in the Monitoring Committee for Research and Development (MOCO) with the European Commission, 1996 - 2000.
Lectures and Presentations about:
- Opening speech on the quality of learning and the role of technology and institutions in the future, seminar on Technology Enhanced Learning (role of technology in higher education and teaching methods adopted), Arab Open University in Lebanon, 2010.
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- IT integrated systems to support learning at the regional level, ESCWA conference, Damascus, 2009.
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- Globalization and higher education, International conference at the Order of Accountants, Beirut, 2005.
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- Teaching mathematics in the developed countries, Arab League Educational Cultural and Scientific Organization (ALECSO), Algeria meeting, 1998.
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- Discrepancies between teachers and administrators’ conceptions of the teaching process, Institute for Educational Development, Beirut, 1996.