Irena Bralić, M.D., Ph.D. a head doctor (Primarius), a specialist paediatrician, Associate Professor of Pediatrics, and scientific associate at the Medical Faculty of the University of Split, permanently employed in a Specialized Paediatric Practice. She is the author and editor of the university textbook "Prevention of Diseases in Childhood"(2014), “Transition medicine” (2018) the university handbook "Vaccination and Vaccines"(2016), and “Rational diagnostics and treatment” (2019), the sold-out handbook for parents, "How to Grow Up Healthy". She has published more papers in recent journals, and she has been an invited speaker at many foreign and national conferences. She is the head of the scientific project of the Ministry of Science of the RC entitled; "Secular changes in growth and the appearance of obesity during puberty". She is the head of category 1 courses in the life-long education of doctors, in the series "New Challenges in the Prevention of Diseases in Childhood". Her narrow field of professional and scientific interest are preventive programmes in childhood and adolescence, vaccination, growth and development and obesity. She is a member of the Management Board and Treasurer of the Croatian Paediatrics Society.