||Past work experience: Assistant Professor at the Institute of Orthopedics of Central Clinical Hospital of the Military Medical University - Warsaw, designer of Polish self compressive plates used for treatment of forearm shaft fractures and asymmetrical used for treatment of false joints. Holder of Europatent "Hip Joint Endoprothesis", co-author of many national patents in field of endoprostheses. Co-designer of Polish hip joint endoprostheses of BHH Mikromed and T-T1 types. He conducted studies on biocompatibility of constructional materials used in endoprostheses and metal implants. Author of 37 scientific publications and co-author of 19 national publications.