Dr. Samir Hassan Fatani, Member of the Saudi Society of Toxicology, , Vice Dean of the College of Medicine for Postgraduate Studies and Practical Research at Umm Al-Qura University, Head of the Department of Health Facilities, College of Health Sciences for Boys and He held several positions, including Assistant Professor, College of Medicine, Department of Biochemistry, Dr/Sameer Chaired several academic and governmental committees. and a visiting consultant at King Fahd Hospital in Jeddah. Graduated with a Bachelor's degree in Medical Sciences from Umm Al-Qura University in Makkah and MSc Medical Biochemistry, University of Newcastle Open Tyne UK , and Ph.D. Medical Biochemistry, University of Liverpool, UK.