عربي
Academic title: Associate Professor Term of Department Headship: 2002 – 2007
Academic title: Professor Department Headship period: 1996 – 2002
Academic title: Professor Term of Department Headship: 1986 – 1996
Academic title: Associate Professor Term of Department Headship: 1984 - 1986
Academic Title: Assistant Professor Department Headship Term: 2019–2022
Academic title: Professor Term of Department Headship: 2016–2019
Academic title: Professor Term of Department Headship: 2012 – 2016
Academic title: Professor Term of Department Headship: 2007 – 2012