MUDr. Róbert Čellár, PhD., MPH is the deputy of the Medical and Preventive Care Section for surgical departments at UNLP Košice. After completing his studies at the UPJŠ Faculty of Medicine in 1996, he worked as a doctor. After passing certifications as a doctor in the specialty of orthopedics. In the years 2012 - 2019, he served as the head of the Clinic of Orthopedics and Traumatology of the Musculoskeletal System at UNLP Košice. Since 2021, he has been working as a deputy of the Medical and Preventive Care Section for surgical departments.