Professor Hassan S. Abduljabbar, MD, FRCSC, American Board Diplomat, is a professor of the Medical College, King Abdulaziz University, and the president of the Saudi Society of Obstetrics and Gynecology. He graduated from King Abdulaziz University in June 1980, College of Medicine and Allied Health Sciences, Jeddah, Saudi Arabia, with MD degree (overall grade: excellent secondary honor). He obtained his FRCS(C) degree at the Royal College of Physicians and Surgeons of Canada in November 1986 after 4 years of training at the University of Western Ontario. Then, in December 1988, he obtained the American Board of Obstetrics and Gynecology (ABOG) certification. He was the chairman of the Department of Obstetrics and Gynecology, and now he is the president of the Saudi Society of Obstetrics and Gynecology. He is a referee of many international scientific medical journals. He is an examiner of Master’s Degree and PhD degree as well in the Saudi and Arabia board exam. He writes weekly scientific subjects in local newspapers (Al Bilad). His publications in local and international journal exceed 50 articles; he is the editor of 2 books: Steroid Basics (IntechOpen) and Steroid Clinical (IntechOpen), and the author of 100 Multiple-Choice Questions book for medical students. He published 4 books in Arabic language, Aafaq 1 and 2, stem cell and breast cancer medical subject for nonmedical (in Arabic, 2006).