Laboratory Demonstrator, Faculty of Science , Al-Azhar University 1973-1978. Assistant lecturer, Department of Zoology, Faculty of Science, AlAzhar University 1978-1982. Lecturer of Entomology , Department of Zoology, Faculty of Science , Al-Azhar University 1983-1990 Assistant Professor of Zoology, Faculty of Education, Gizan, Saudi Arabia , 1989-1994. Assistant professor of Entomology , Faculty of Science, Al-Azhar University 1990-1997. Professor of Medical Entomology, Faculty of Science, Al- Azhar University 1997 until now. Head of Biology Department, Faculty of Education Jazan, Saudi Arabia 1992-1994. Director of Research and Studies Unit of Insect Vectors of Human &Animal Diseases, Faculty of Science, Al- Azhar University 2001, until now. Reviwer in National Quality Assurance and Accreditation of Higher Education Authority( NAQAAE ) , Egypt, since 2009 , until now. Member and lecturer in International Authority of Scientific Miracles in Quran and Sunnah , Islamic World League, since 2006, until now. Trainer in Atomic Energy Authority (Medical Entomology) , 20062007. Trainer in FAO, UN (Vector Biology) , 2009. Expert and Consultant in Egyptian Army (Vector biology ) since 2009-until now Main Research: Parasitology, Medical Entomology, Forensic Entomology, Biotechnology , nanotechnology and Vector Biology.
Medical Entomology , Forensic Entomology , Vector Biology, Biotechnology