Assoc. Prof. Branislav Kolarovszki, M.D., Ph.D., is the head of the Clinic of Neurosurgery, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, University Hospital in Martin, Slovakia. He has dealt for many years with the issue of pediatric hydrocephalus and evaluation of cerebral circulation by means of Transcranial Doppler sonography in neonates and children with hydrocephalus. He published the results of his work in many scientific journals and three monographs. He actively participates in congresses, including invited lectures on pediatric hydrocephalus and craniosynostosis. Dr. Kolarovszki is a member of editorial boards and a reviewer of medical scientific journals. He is currently the first Vice-Dean of Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava.