 House officer, Faculty of Medicine, Zagazig University, from 1 March 1998 to 28 February 1999 including: General Surgery, Obstetric Surgery, Pediatrics, Internal Medicine, Emergency, Anesthesia and Intensive Care, Otorhinolaryngology.  Resident of Otorhinolaryngology, Faculty of Medicine, Zagazig University, 3 August 1999 – 3 August 2002.  Demonstrator of Otorhinolaryngology, Faculty of Medicine, Zagazig University, 2 February 2003- 21 March 2003.  Assistant Lecturer of Otorhinolaryngology, Faculty of Medicine, Zagazig University, 22 March 2003- 25 August 2008.  Lecturer of Otorhinolaryngology, Faculty of Medicine, Zagazig University, 26 August 2008 - 23 September 2013.  Associate professor of Otorhinolaryngology from 24 September 2013 till 25 September 2018.  Professor of Otorhinolaryngology from 25 September 2018 till now

Societies membership:  Member of Egyptian Society of Otorhinolaryngologists.  Member of Delta Society of Otorhinolaryngologists.  Consultant at the Egyptian Medical Syndicate.  Member of the Egyptian Laryngological & Sleep Surgery Society (ELSSS).  Member of the Asian Council of Science Editors (ACSE).