Ivan Kopitovic, M.D., Ph.D., is a Full Professor of Internal Medicine and Pulmonology at the University of Novi Sad Faculty of Medicine and a clinician at the Institute for Pulmonary Diseases of Vojvodina in Sremska Kamenica. He earned his M.D. in 1995 and his Ph.D. in 2005, both from the University of Novi Sad. Since 1995, Dr. Kopitovic has built his clinical career continuously at the Institute for Pulmonary Diseases of Vojvodina and the Faculty of Medicine Novi Sad, advancing to the position of full professor in March 2019. His primary research and clinical focus centers on respiratory medicine, specifically Chronic Obstructive Pulmonary Disease (COPD), asthma, pulmonary function testing (PFT), and sleep-disordered breathing (SDB). As a recognized national expert, he serves as the Head of the Sleep-Disordered Breathing Section of the Respiratory Society of Serbia and co-authored the Serbian national position statements adapting GOLD and GINA clinical guidelines for national practice. Dr. Kopitovic maintains active professional memberships in the European Respiratory Society (ERS), American Thoracic Society (ATS), American College of Chest Physicians (CHEST), European Academy of Allergy and Clinical Immunology (EAACI), and European Sleep Research Society (ESRS).