An analyst and journalist specializing in topics related to the armed forces of Poland, the USSR/Russia, Ukraine, Belarus, China, and several other countries with over 30 years of experience. He also has 30 years of professional experience in engineering and management positions in the shipbuilding and offshore industries. Since the early 1990s, he has collaborated with various specialized military publishers. He is the author of, among others, the book "Polish Navy 1995" and numerous articles.