​* Executive member of the Arab Society for Plant Protection.

* Head of the Department of Plant Protection starting Sept. 2013 till Sept 2015.

* Professor and Museum Director, Department of Plant Protection, Faculty of Agriculture, University of Jordan, from November, 2002 till present.

* Associate Professor and Museum Director, Department of Horticulture & Plant Protection, Faculty of Agriculture, University of Jordan, from October, 1997 to November 2002.

*Associate Professor, Department of Beneficial Insects, Al Balqua'a University, Form September 1999 to September 2000. (Sabbatical Year)

* Assistant Professor and Museum Director, Department of Plant Protection, Faculty of Agriculture, University of Jordan, from September, 1992 till October 1997.

* Teaching and Research Assistant, Department of Entomology and Zoology, Colorado State University, USA, 1988-1990.

​* Director of the University of Jordan Insects Museum from 1992 till present. The activities during the past years included the following:

• Weekly field trips for collecting insects form many localities in Jordan for the purpose of teaching and research.
• Sorting and identifying the collected insect specimens and sending unidentified specimens for identification by specialists in the international museums.
• Preservation of voucher specimens for insects on which graduate research was conducted in the Department of Horticulture & Plant Protection.
• Contributing to the establishment of entomological collections in the University of Mu'tah, University of Jarash, and as Salt Community College.
• Participating in the scientific exhibitions in the private and government schools by lending boxes of pinned insects.
• Rearing insects and preparing their life cycles for teaching entomology courses in the department.
• Presenting short lectures for the museum visitors and answering their questions.
• Identification of insect pests for farmers, agricultural engineers, general public and graduate students.
• Exchange of insect specimens with international museums.
• The incorporation of the students' insect's collection into the museum.
• Training of agricultural engineers and lab technicians for the collecting, pinning and preservation of insects.
• Accumulation of taxonomic literature about the insects of Jordan to be a basis for a specialized library associated with the museum.
• Participating in the Italian entomological expedition to Dhana Nature Reserve. 1995.