Professional Experience:
2008- Present Professor of physics, Islamic university, Gaza, Gaza Strip, Palestine
2006-2008 Visiting Professor, Max Planck Institute for the Physics of Complex Systems, N?thnitzer Stra?e 38, 01187 Dresden, Germany
2000 – 2006 Professor of physics, Physics Department, The Islamic University of Gaza (IUG), Gaza, Gaza Strip, Palestine
1998-1999 Visiting Professor, Institute of Opt electronics ZHO, Faculty of Electronic and Electrical Engineering, Gerhard Mercator University, Lother Strasse 55, 47057 Duisburg, Germany
1996- 2000 Associate Professor at Physics Department, The Islamic University of Gaza (IUG), Gaza, Gaza Strip
1992-1995 Assistant Professor at Physics Department, the Islamic University of Gaza (IUG), Gaza, Gaza Strip
Jan.1992-Sept.1992 Research Fellow at Department of Electrical Engineering and Electronics, University of Manchester Institute of Science and Technology, UMIST, U.K
1989-1991 Research Fellow at Centre of Electronic Materials, University of Manchester Institute of Science and Technology, UMIST, U.K and Visiting Fellow at Applied Optics Group, Salford University, U.K
1985-1985 Teacher of Mathematics and Physics, Gaza, Palestine