Currently: Assistant professor in the Anatomy Department in the CMMS-AGU-Bahrain: March-3-2013 up to now. - Post doctoral Research Associate in Dept. of Bio Sciences, School of Veterinary Medicine, University of Illinois at Urbana-Champaign, Illinois, USA. 2009-2010. - Associate professor in the Histology Dept., Faculty of Medicine, Assiut University, Egypt, 13-10-2012 to now. - Associate professor: in College of Medicine, AMA International University in Bahrain: March-4-2012 to February-28-2013. - Assistant professor in the Histology Dept., Faculty of Medicine, Assiut University, Egypt, November-26-2006 to 2012. - Post doctoral Research Associate in Dept. of Pediatrics, School of Medicine, University of Louisville, Kentucky, USA. 2005-2006. - Graduate Assistant in Dept. of Anatomical Sciences and Neurobiology, School of Medicine, University of Louisville, Kentucky, USA. 2001-2005. - Instructor and demonstrator in the Histology Dept., Faculty of Medicine, Assiut University, Egypt 1995-2006.

Neuroscience - Neural Stem Cell Biology - Cell and Molecular Biology - Animal Models of Genetic Disease - Histology - Developmental Biology - Toxicology