Born in the North of Iran in 1965 got his PharmD from University of Tehran (UoT) in 1988 and PhD (Toxicol./Pharmacol.) from TUMS in 1994, and a postdoc in Biochemical/Molecular Toxicology from School of Pharmacy (Role of PDE inhibitors on hepatic glucose metabolism and oxidative stress), and a coolaborative fellowship in Clinical Toxicology (Meta-analysis of pregnancy outcomes on exposure to PPIs) from Sick Kids Hospital, University of Toronto, Canada in 2001. In 1994 he became Assistant Professor, and in 1998 became Associate Professor, and in 2003 he got a Full Professor honour of TUMS with a high score. The outcomes of his researches is more than 250 papers and being involved in writing of 16 Farsi and two English books. He has supervised more than 200 Doctorate students thesis. He is working on experimental and human models of diseases like gastrointestinal tract, salivary glands, liver, pancreas, and bone to find out the mechanisms of action of xenobiotics and key biomarkers of toxicity. He also works in the field of meta-analysis of clinical trials. Involving in establishing of Iran's Drug & Poison Information Centers is one of his honors. He is president of Iranian Society of Toxicology, and Director of Iran's Examination and Evaluation Board of Toxicology. He is in the Review and Editorial Board of more than 45 world-known specialty journals. He is member of American Academy of Clinical Toxicology and Roster of Experts in Biological Sciences, Joint FAO/WHO Meeting on Pesticide Residues (JMPR) of World Health Organisation. He is the Laureate of the Islamic-World Academy of Sciences (IAS) and OIC Standing Committee on Scientific and Technological CO-Operation (COMSTECH) in Pharmacology & Toxicology for the year 2005. He has been selected as Leading Scientist of the World 2007 by International Biographical Centre at Cambridge of England. Mohammad has been elected as a Fellow of IAS in the 2008 General Assembly.