He is a physician specialising in cardiology, internal medicine and obesity medicine, as well as a researcher and university professor. He serves as Head Physician of the Centre for Interventional Cardiology at the University Hospital with Polyclinic in Žilina and as Professor of Internal Medicine at the Jessenius Faculty of Medicine of Comenius University in Martin. He has long led a research group focused on clinical and translational research in cardio-obesity, cardiovascular pharmacotherapy, interventional cardiology and heart failure. His professional interests also include the implementation of advanced ultrasound methods in the diagnosis, monitoring and assessment of treatment effectiveness in heart failure. He is the author or co-author of more than 100 publications in international medical journals and serves on the editorial boards of several international scientific journals. Within the Slovak Health Mission project, he is co-lead of a research team involved in a pilot project introducing point-of-care ultrasonography into clinical practice for the diagnosis of heart failure and other life-threatening cardiovascular conditions in emergency departments, internal medicine departments and cardiology units.