-Demonstrator at Periodontology Department – Faculty of Dental Medicine- Al Azhar University– Cairo(2011-2015).
-Assistant Lecturer in the same college(2015-2020).
-Lecturer in the same college (2020 till now)
-Part-time assistant lecturer in Egyptian Russian University(2017-2019)
-Part-time lecturer in Egyptian Russian University(2020-2022)
-Part-time lecturer in 6 OCT University(2022-2024)
Ahmed ElShamy - Egypt 
Dr.