I am Associate professor of animal infectious diseases, Faculty of Veterinary Medicine, Alexandria University, Egypt. 01/06/2010 – CURRENT – Alexandria, Egypt. R&D manager at the molecular based vaccines department. Middle east for vaccines (MEVAC) and Vaccine Biotechnology city (VBC), El Sharkia, Egypt. Fulbright Visiting researcher, Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, 01/08/2016 – 01/09/2017 – Gifu, Japan. PhD. researcher under joint supervision mission, Department of microbiology, Faculty of applied biological science, Gifu University. 30/12/2012 – 27/06/2016 – Alexandria, Egypt.