Tarek Tawfik Amin, Professor of Public Health and Epidemiology, Faculty of Medicine, Cairo University. Former Deputy Minister of Health and Population for Population Affairs and rapporteur of the National Population Council, Arab Republic of Egypt. Previously, the Head of Family and Community Medicine, Collage of Medicine, King Faisal University, Saudi Arabia. Research methodology, Medical-Statistics, Demography, and Public Health are the main areas of interest and research preference. Medical Educator for more than 25 years, Scholar, Researcher and Bio-statistician. Master degree in Pediatrics and Neonatollogy, Kasr Alainy School of Medicine, Cairo University.