1. Head, Department of Maxillofacial Surgery, Stomatology Institute, Shupyk National Medical Academy of Postgraduate Education, Kyiv, Ukraine (ScD, Prof)
2. Language Editor, dtjournal.org; Kyiv Ivan Bohun Military Lyceum, Kyiv, Ukraine
3. Department of Oral and Maxillofacial Surgery, Private Higher Educational Establishment “Kyiv Medical University”, Kyiv, Ukraine (PhD, Assis Prof)