• Graduate of the Medical School of the Technical University of Aachen in North Rhine-Westphalia / Germany (RWTH Aachen) (2009)
• Recruitment in Urology at the Urological Clinic of the Evangelical and Johanniter Hospital Complex Niederrhein / Oberhausen (Evangelisches und Johanniter Klinikum Niederrhein), which is an academic hospital of the Medical School of the University of Düsseldorf / Germany
• Doctor of the Medical School of the Technical University of Aachen in North Rhine-Westphalia / Germany (RWTH Aachen) with the grade of “Excellent”, preparing a doctoral thesis entitled “Comparison between radical prostatectomy and LDR – brachytherapy – A prospective study epidemiology’’.
• Specialized in Robotic and Laparoscopic Surgery, Endourology and Uro-Oncology at the Urology Clinic of the Evangelisches und Johanniter Klinikum Niederrhein / Oberhausen, and at the OLV Vattikuti Robotic Surgery Institute / Belgium (Prof. Alexander Mottrie), where he received the certification in robotic surgery in Urology
• Certificate of Off – Site Training as a Console Surgeon (da Vinci Surgical System)
• ERUS – Certificate for Robot – assisted radical prostatectomy
• Provisional Certificate on receipt of the laparoscopic surgery, University Diploma Strasbourg

• Robotic and laparoscopic treatment of urinary tract tumors
• Focal treatment of prostate cancer with irreversible electroporation (Nanoknife) in combination with the fusion system of ultrasound & MRI (1st operation performed in Greece)
• Gynecological urology – Incontinence
• Robotic and laparoscopic reconstructive urology
• Endoscopic treatment of lithiasis and prostate diseases
• Treatment of male genital system diseases.

• European Association of Urology
• American Urological Association
• International Continence Society
• Hellenic Urological Society
• Endourological Society
• German Urological Society
• Greek – German Urological Society

1. Presentation of the technique and role of robotic extravesical ureteral transplantation with psoas hitch as a new standard method for the treatment of vesicoureteral reflux and lower third ureteral obstruction at the 24th Panhellenic Urological Congress, held from 11 – 14 October 2018 in Athens.
2. Presentation of the robotic salvage radical prostatectomy technique after radiotherapy at the 24th Panhellenic Urological Congress, held from 11 – 14 October 2018 in Athens.
3. Presentation of the robotic partial nephrectomy technique in large cystic tumors at the 24th Panhellenic Urological Congress, held held from 11 – 14 October 2018 in Athens.
4. Presentation of the technique of robotic removal of pelvic sarcomas at the 24th Panhellenic Urological Congress, held from 11 – 14 October 2018 in Athens.
5. Speaker at the 18th congress of the Hellenic-German Urological Society, held in June 2019 in Corfu. Topic of the speech: “Is monitoring of small renal tumors indicated?”
6. Speaker at the IUM (8th International Urology Meeting, held from 13 to 17 October 2019 in Athens. Topic of the speeches: “Metabolic control of nephrolithiasis” and “Robotic or laparoscopic radical nephroureterectomy in urothelial cancer of the renal drainage tract”.
7. Speaker at the 6th congress of the European Society of Diabetes, Metabolic Syndrome and Obesity, held from 7 to 8 December 2019 in Athens. Topic of the speech: Natural Sildenafil: non-pharmacological treatment of erectile dysfunction.
8. Speaker at the 7th congress of the European Society of Diabetes, Metabolic Syndrome and Obesity, held from 23 – 24 October 2021 in Athens. Topic of the talk: Robot or not robot in Urology.
9. Publication of a review on the topic “Low – vs. High – Power Laser for Holmium Laser Enucleation of Prostate” in the prestigious journal, “Journal of Clinical Medicine”. (V Gkolezakis, BK Somani, T Tokas. J Clin Med. 2023 Mar 6; 12 (5): 2084. doi: 10.3390/jcm12052084.
10. Presentation of a particularly demanding case of robotic pyeloplasty at the 25th Panhellenic Urological Congress, held from 6 – 9 October 2022 in Athens, on the topic “Robotics Anderson Hynes pyeloplasty in ureteric junction stenosis with coexisting ectopic vessel in a kidney with incomplete external rotation: the evolution to the new standard, even in particularly challenging cases”.
11. Presentation of a particularly demanding case of robotic radical nephrectomy with simultaneous removal of a thrombus from the inferior vena cava at the 25th Panhellenic Urological Congress, held from 6 – 9 October 2022 in Athens, on the topic “Robotic radical nephrectomy with simultaneous removal of a thrombus from the inferior vena cava”.

1. Publication of a rare case on the topic of “Segmental Testicular Infarction” in July 2018 in the prestigious journal of the German urological society “Der Urologe”. (V. Gkolezakis, A. Petrolekas, A. Koutsouri, V. Ouranos, P. Arapantoni & P. Sidiropoulos (2018). Segmental Testicular Infarction. Der Urologe 57: 947 – 950.
2. Publication of an article (Expert Opinion Letter) on the topic of “Complications after Robotic Partial Nephrectomy”, published in the February 2020 issue of the Hellenic Urological Society.
3. Publication of a review on the topic of “Thulium Fiber Laser Behavior on Tissue During Upper- and Lower-Tract Endourology” in the prestigious journal “Current Urology Reports”. (V Gkolezakis, P Rice, B K Somani, T Tokas (2022). Thulium Fiber Laser on Tissue During Upper- and Lower-Tract Endourology. Current Urology Reports 2022 Sep 30. doi: 10.1007/s11934-022-01117-6.

ATHENS MEDICAL CENTER: 56 Kifisias & Delphi, 2nd floor, email: vgkolezakis@gmail.com