Deakin University, Australia
University of Atlanta, Atlanta, GA, USA.
The University of Lisbon, Portugal.
Assiut University,Egypt & Taif University, Saudi Arabia.
Department of Applied Sciences , Abu Dhabi University, UAE.
American University of Beirut, Lebanon.
German University in Cairo (GUC), Egypt.
Faculty of Pharmacy and Biotechnology, German University in Cairo, Egypt.
Director,Molecular Biology Research Unit (MBRU), Assiut University
Assiut University, Egypt
ESI Corporation Hospital, Hyderabad, India.
German University in
Cairo (GUC), Egypt.
Assistant Lecturer and Research Associate, German University in Cairo, Egypt