I have received the degree of PhD including non-conventional machining in 2018. The topic of my doctoral thesis concerned the topic of "Electrochemical Discharge Drilling High-Aspect-Ratio Holes in Difficult-to-Cut Materials". The goal of my doctoral thesis was to extend knowledge about the hybrid process such as electrochemical discharge machining in the case drilling high–aspect–ratio–holes in difficult–to–cut materials such as titanium alloy (Ti-6Al-4V) and INCONEL 718 superalloy. In my research work I focus on methods of manufacturing materials (such as difficult-to-cut materials and sintered materials manufactured by SLM), especially the electrical discharge drilling process. The research interests: material–working, manufacturing processes; non-contacted machining such as electrical discharge machining, electrochemical machining; machining of difficult–to–cut materials; specializing in erosive machining.