| 2015-present 2012-present | Assistant Professor Visiting Assistant Professor Biopsychology | International Islamic University Malaysia (IIUM) American University in Cairo (AUC) |
| 2011 - present | Lecturer (Neuroscience/ Psychopharmacology) | Menoufiya Medical School, Egypt |
| 2006 - 2011 | Research Fellow (Neuroscience) | The Pennsylvania State University, USA |
| 2003 - 2011 | Assistant Lecturer (Psychopharmacology) | Menoufiya Medical School, EGYPT |
| 1999 - 2003 | Instructor (Psychopharmacology)
| Menoufiya Medical School, EGYPT |