Assoc. Professor Plamen Kinov, MD, PhD, is a Head of Joint Replacement Unit at Department of Orthopedics, Medical University of Sofia, Bulgaria, with his scientific interests focused on hip and knee replacement. He graduated medicine with honors in 1995 at the Medical University of Pleven, Bulgaria and completed his training in orthopedics at Medical University of Sofia, Bulgaria. He was a research fellow at the Department of Orthopedics, University of Graz, Austria and a visiting fellow in Graz, Austria, Munich, Germany, and Bologna, Italy. He was awarded International Society of Orthopedic Surgery and Traumatology (SICOT) Abdel Hay Mashhour Award and Bulgarian Orthopedics and Traumatology Association (BOTA) Award. He is an author of over 120 scientific publications. He is a Treasurer of the Bulgarian Orthopedics and Traumatology Association (BOTA) and was a Secretary of BOTA and an Editorial Secretary of Bulgarian Journal of Orthopedics and Traumatology. Plamen Kinov is a member of European Federation of National Associations of Orthopedics and Traumatology (EFORT), American Academy of Orthopedic Surgeons (AAOS), European Hip Society (EHS), among other scientific societies.