2015-Now Dean, College of Engineering and Technology, Arab Academy of Science and Technology 2014-2015 concurrent, Vice Dean for Education, College of Engineering and Technology, Arab Academy of Science and Technology 2011-2015 Chairman, Electronics and Communications Department, Engineering College, Arab Academy of Science and Technology 2010-2011 Vice Dean for Graduate Studies, Engineering College, Arab Academy of Science and Technology 2009-2010 Chairman, Graduate Studieis Department, Engineering College, Arab Academy of Science and Technology 2009-2010 (concurrent) Consultant in Ministry of Military Production. 2008-2009 (concurrent) Consultant in Egypt and Middle East, University Program of Cypress Semiconductor Company. 2006-now Professor, Arab Academy of Science and Technology 2004-2009 Assistant Dean for Graduate Studies and Scientific Research, Engineering College, Arab Academy of Science and Technology 2002-2006 Associate Professor, Arab Academy of Science and Technology 2000-2002 Assistant Professor, Arab Academy of Science and Technology 1999-2000 General Manager and director of Arab Organization for Industrialization (AOI) VLSI Design Canter 1997-2007 (concurrent) Consultant, Egyptian Company for Industrial Support (ECIS). Team Leader for Design and Implementation of the first Egyptian Calculator 1997-1999 Researcher and Project Manager, Defense System Study Center (DSSC), Egyptian Armed Forces, Cairo, Egypt. Circuit and System Designer using Field Programmable Gate Arrays (FPGAs), Printed Circuit Boards Design and Implementation 1997-1999 (concurrent) Consultant for the AOI, Electronic Factory, in constructing their Application Specific Integrated Circuits (ASIC) Design Center including: Software, hardware and Infrastructure requirements and engineers ion. This Design Center is running now. 1996-1997 Research Assistant Professor, Under the sponsorship of the United States National Security Agency at the Naval Postgraduate School, Monterey, California, USA. 1990-1992 Researcher, Egyptian Air Force Research Center, Cairo, Egypt. Working on the design and implementation of electronic subsystems in the different Aircraft 1981-1990 PMEL Precision Measuring Equipment Laboratory, Air Force Central Repair Workshop, Helwan, Cairo