Director of Makkah Toxicology Center •
01/1991 – 01/2014 •
Toxicology
Umm al-Qura University •
01/2006 – 01/2010 •
Fculty of Medicin / Pharmacology / Toxicology
University of Okayam •
01/1990 – 01/1991 •
Pharmaceutical Sciences
Director of Criminal Laboratories •
01/1986 – 01/1989 •
Director , Supervisor , Consultant Toxicologist
King Saud University •
01/1975 – 01/1980 •
Faculty of Pharmacy