**Member of Solar Cells Fabrication Group-Alexandria University Research Center, Alexandria – Egypt-Jan 1979- Sep 1980 **Chairman of Photostatic Department-Photostatic Department Electronics-Jan 1979 - Dec 1980. **Member of Solar Cells Fabrication Project Alexandria University Research Center, EGYPT and Eindhoven University, HOLLAND-Jan 1982 - Jan 1987. **Principal Researcher and Supervisor of Solar Cells Research Projects-Ministry of industry and Academy of Scientific Research and Technology, Cairo – EGYPT Jan 1987 - Jan 1988. **Chairman of Electronics and Computer Department Electronics and Computer Department Arab Academy for Science & Technology, Alexandria – EGYPT-Jan 1990 - Jan 1994. **Chairman of Electronics and Communications Department-Arab Academy for Science & Technology, Alexandria – EGYPT-Jan 1994 - Jan 1995. **Chairman of Engineering Postgraduate Studies Department-Arab Academy for Science & Technology, Alexandria – Egypt-Jan 1995 - Jan 1998. **Member of National Committee of Photovoltaic Cell-Academy of Scientific Research and Technology, Cairo-EGYPT-Jan 1996 - Jan 1997. **Chairman of Electronics and Computer Department-Arab Academy for Science & Technology-Jan 1998 - Jan 2001. **Chairman of Electronics and Communications Department-Arab Academy for Science & Technology Cairo Branch-Jan 2001 - Jan 2005. **Dean of Education Affairs Arab Academy for Science, Technology & Maritime Transport, South Valley Branch-Jan 2006 - Jan 2011. **Director of South Valley Branch-Arab Academy for Science, Technology & Maritime Transport, South Valley Branch-Jan 2011-2018. ** AASTMT President Counselor for International Affairs-2019-up till now