| 1991 | Internship at the Department of Neurosurgery ( headed by prof. G. Pedachenko) Shupyk Kyiv Medical Academy of Postgraduate Education (Kyiv, Ukraine) |
| 10.1992-12.1992 | Clinical Attachment in the Gough-Cooper Department of Surgical Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, United Kingdom (Head of Department, Prof. Lindsay Simon) |
| 01.1993-01.1994 | International Neurosurgical Fellowship (under Mr. Alan Crockard, FRCS),
Department of Surgical Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London WC1, United Kingdom |
| 02.1994- 03.1994 | Clinical Attachment (under Mr. Henry Marsh FRCS) in the Department of Neurosurgery, Atkinson Moorley’s Hospital, Copse Hill, Wimbledon, London,United Kingdom |
| 07.1994-11.1994 | Sugita Scholar Trainee Course in Vascular and Tumor Microneurosurgical Techniques in the Department of Surgical Neurology (Head of Department Prof. Kenichiro Sugita), Nagoya University School of Medicine, 65 Tsurumai, Showa, Nagoya 466, Japan |
| 1994-1997 | PhD program at the Romodanov Neurosurgical Institute PhD thesis: “Trauma to the cranio-vertebral junction. Diagnosis and treatment” (headed by prof. Y.Zozulya) (Kyiv, Ukraine) |
| March 2000 | Visitor Neurosurgical Department at the Bethisraeli hospital, New York, USA (headed by prof. Fred Epstein) |
| July 2005 | Three days attendance of the Saint Louis University craniofacial surgery workshop led by prof. James T. Goodrich). |
| March 2008 | One week attachment at the International Neurosurgical Institute, Hannover, Germany, headed by prof Samii. |
| May 2008 | One week attachment at the dep. Of neurosurgery, Ljubliana University, Slovenia (head of the department, prof. Vinco Dolenc) |
| August 2008 | One week attachment at the dep. Of neurosurgery, Nordshtadt hospital, Hannover, Germany (head of the department, prof. Gaab) |
| August 2010 | Visitor (two days) to the dep. of neurosurgery, Helsinki University, Finland (head of the department prof. Juha Hernesniemi) |
| 28 March 2011- 8 April 2011 | Clinical attachment at the University of Pittsburgh Medical Center, Department of Neurological Surgery. 200 Lathrop Street, Suite B-400. Pittsburgh, PA 15213 (head o the department Dr. Paul Gardner) |
| 01.02.2011-03.02.2011 | 3-days clinical attachment at the department of vascular pathology Herriot hospital, Lion University Hospital, France |
| 29.01-06.02.2011 | Clinical attachment at the department of Neurosurgery (chief dep. Prof. Sindou), Neurological Hospital Pierre Wertheimer, Lion, France |
| 25.08.2011-7.09.2011 | Course on vascular neurosurgery at the dep. Of neurosurgery, Helsinki University, Finland, (chief dep. Prof. Juha Hernesniemi) |
| 24.10-29.10.2011 | Course on cerebro-vascular pathology, spinal pathology and skull base surgery Barrow Neurological Institute, Feniks, Arisona, (chief dep. Prof. Robert Spetzler) |
| 02.06.2012 | Master class “Fundamentals of endoscopic endonasal pituitary surgery. Possibilities extended approaches “. Storz, Moscow. |
| 13.11– 16.11.2013 | Surgical training course entitled “Endoscopic Endonasal Surgery of the Cranial Base and Pituitary Fossa” conducted by Drs. Fernandez-Miranda, Paul Gardner and Carl Snyderman at the Dep. Of Neurosurgery Pittsburg University, USA, (chief dep. Prof. Friedlander) |
| June 2018 | One Month attachment in skull base tumors surgery. Department of Neurosurgery (School of Medicine, Keio University), under prof. Kazunari Yoshida, prof. Takeshi Kawase (Tokio, Japan). |
| October 3-7, 2021 | eEANS 2021 – Surgical tactics of treatment craniofacial tumors, their intra-extracranial spread – Intraventricular and brain stem tumors. Endoscopic possibilities |
| October 3-7, 2021 | eEANS 2021 – Surgical tactics of treatment craniofacial tumors, their intra-extracranial spread – Intraventricular and brain stem tumors. Endoscopic possibilities |
| August 21-25, 2021 | AANS 2021 Third Ventricle Surgery With The Endoscopic Frontal Transcortical Approach. Decreasing the risks. – Transbasal approaches to the anterior skull base tumors. – Could hormonal remission in prolactinomas be achieved with surgery? Our experience |
| 26.11.2021 | Oncology/Skull Base Surgery WFNS Symposium Extended endoscopic endonasal approaches to skull base tumors |
| October 16-20, 2022 | EANS 2022 – Endoscopic frontal transcortical transventricular approach to thalamic tumors. Risks and limitations |
| Apr 29 – May 02, 2022 | AANS 2022 – Thalamic tumors. Risks and limitations of endoscopic transventricular surgery. |
| April 21-24, 2023 | 91st AANS Annual Scientific Meeting, Los Angeles – Thalamic Tumors. Risks and Limitations of Endoscopic Transventricular Surgery |
| September 9–12, 2025 | VIII Congress of the Ukrainian Association of Neurosurgeons, Kyiv, Ukraine. Oral presentation: “Endoscopic Surgery of the Third Ventricle” |
| September 19, 2025 | Lviv Oncology Forum, Lviv, Ukraine. Oral presentation: “Surgical Strategy for Craniofacial Tumors” |
| October 18, 2025 | Scientific and Practical Conference “Synergy of Specialists in the Treatment of Head and Neck Diseases”, Kyiv, Ukraine. Oral presentation: “Surgery for Craniofacial Tumors and Reconstruction of Complex Craniofacial Defects” |
| April 3–4, 2026 | International Scientific and Practical Conference “Craniofacial Surgery. Skull Base Surgery. Multidisciplinary Approach”, Kyiv, Ukraine. Oral presentation: “Surgery of Craniofacial Tumors” |
| May 1–4, 2026 | Annual Meeting of the American Association of Neurological Surgeons (AANS), San Antonio, Texas, USA. Poster presentation by the Department of Endoscopic and Craniofacial Neurosurgery |
| June 1–3, 2026 | Helsinki Live Course in Exoscopic Microneurosurgery, Helsinki, Finland. International training course focused on advanced techniques in exoscopic microneurosurgery |
