Associate professor of Physiology, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia, from September 2017 till July 2021.
Assistant professor of Physiology, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia, from September 2010 till September 2017.
Head of Quality and Accreditation Unit, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia from November 2013 until 2017.
Member of Quality and Accreditation Unit, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia from November 2017 till now (The head becomes the Vice Dean for Quality and Development).
Member of strategic planning committee Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia from October 2017 until now.
Member of academic advising committee, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia (2020/2021).
Member of academic affairs committee, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia (2020/2021).
First-year coordinator, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia (2019/2020-2020/2021).
Module coordinator of gastrointestinal, endocrine, and cardiovascular modules, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia since 2013 till now.
In Egypt
From March 2023 until now: Professor of Medical Physiology, Faculty of Medicine, Tanta University, Tanta, Egypt.
From March 2015 until now: Assistant Professor of Medical Physiology, Faculty of Medicine, Tanta University, Tanta, Egypt.
From June 2007 until March 2015: Lecturer of Medical Physiology, Faculty of Medicine, Tanta University, Egypt.
From July 1999 until June 2007: Assistant lecturer of Medical Physiology, Faculty of Medicine, Tanta University, Egypt.
From September 1993 until July 1999: Demonstrator of Medical Physiology, Faculty of Medicine, Tanta University.
From March 1991 until March 1992: internship training at Tanta University Hospital, Tanta, Egypt.
Member of the accreditation team, Faculty of Medicine, Tanta University, Tanta, Egypt (2009/2010).