| 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). |
