Employment:
1997-present Lecturer
Department of Biological Sciences, An-Najah National University, Nablus, Palestine.
1996-1997 Head of Department of Biological Sciences, An-Najah National University, Nablus, Palestine.
1995-1996 Visiting Scholar
Department of Pomology, University of California, Davis. C.A, U.S.A
1993-1995 Head of Department of Biological Sciences, An-Najah National University, Nablus, Palestine.
1985-1987 Lecturer
Department of Biological Sciences, An-Najah National University, Nablus, Palestine.
1981-1983 Research and Teaching Assistant Department of Biological Sciences, An-Najah National University, Nablus, Palestin