Dr. Demis Vasiliadis / General Surgeon

Areas of Expertise
Surgical Techniques
- Minimally invasive (laparoscopic) surgery
- Open surgery (laparotomy)
Surgical Specialties
Gastrointestinal Surgery
Treatment of oncological and non-oncological conditions involving:
- Esophagus
- Stomach
- Small intestine
- Large intestine
- Rectum
- Proctology
- Liver
- Gallbladder
- Pancreas
Retroperitoneal Oncology
- Surgical treatment of retroperitoneal tumors (excluding the urinary system – kidneys and ureters)
Bariatric Surgery
- Gastric bypass
- Sleeve gastrectomy
Abdominal Wall Surgery
- Hernias
- Abdominal wall tumors
Pelvic Floor Surgery
- Rectal prolapse
- Uterine prolapse
Endocrine Surgery
- Thyroid gland
- Parathyroid glands
- Adrenal glands
Breast Surgery
Thoracic Surgery
Education & Professional Development
1994
High School Diploma
3rd Lyceum, Thessaloniki, Greece
1994–2000
Medical Degree (General Medicine)
Kuban State Medical Academy, Russia
January 2006
Recognition of Medical Degree
DIKATSA, Greece
October 2013
Specialist Degree in General Surgery
Catholic University of Leuven, Belgium
October–December 2015
Oncology Retraining & Specialty Certification
N.N. Petrov Research Institute of Oncology
Saint Petersburg, Russia
September–November 2017
Advanced Liver Surgery Training
Hepato-Biliary Surgery Center
Prof. René Adam
Paul-Brousse Hospital, Kremlin-Bicêtre, Paris, France
Surgical Residency & Specialization
University Hospital, Tours, France
April 2003 – April 2004
- Intern, then Resident
- Department of General Surgery
- Prof. Noël Huten
University Hospital, Brest, France
May 2004 – October 2004
- Resident
- Department of General Surgery
- Prof. Patrick Lozac’h
Hôtel-Dieu Hospital, Paris, France
November 2004 – April 2005
- Resident
- Department of General Surgery
- Prof. Jean-Pierre Bethoux
Riaz Hospital, Switzerland
April 2006 – March 2007
- Resident
- Department of Orthopedic Surgery & Traumatology
- Dr. Francis Sonney
Saint-Luc Clinic, Catholic University of Louvain, Brussels, Belgium
March 2007 – April 2007
- Intern
- Department of Cardiovascular & Thoracic Surgery
- Prof. Gebrine El Khoury
Notre-Dame Hospital, Charleroi, Belgium
May 2007 – September 2007
- Resident
- Department of General Surgery
- Dr. Fabrice Corbisier
Hornu Hospital, Belgium
October 2007 – September 2009
- Resident
- Department of General Surgery
- Dr. Jacques Baillieux
Saint Joseph Clinic, Ghilly, Belgium
October 2011 – September 2013
- Resident
- Department of General Surgery
- Dr. Nicolas Tinton
Professional Experience
Saint-Jean Clinic, Brussels, Belgium
April 2016 – September 2016
- General Surgeon
Saint-Pierre University Hospital, Brussels, Belgium
February 2017 – August 2017
- General Surgeon
- Department of General Surgery
- Prof. Guy-Bernard Cadière
Ardennes Hospital, Libramont, Belgium
December 2017 – December 2025
- General Surgeon
Scientific Work
International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
2013 • Istanbul, Turkey
Poster Presentation
“Laparoscopic Sleeve Gastrectomy: Outcomes in 144 Patients After 1–4 Years of Follow-up”
Additional Degrees & Advanced Training
2004
- Diploma in Experimental Microsurgery and Surgical Anatomy
Tours, France - Interuniversity Diploma in Laparoscopic Surgery
Tours, France
2008–2009
- Interuniversity Program in Liver Surgery and Portal Hypertension
Hepato-Biliary Surgery Center, Paul-Brousse Hospital, Paris, France
2009
- Interuniversity Diploma in Visceral Traumatology
Montpellier, France
2010–2012
- Interuniversity Course in Oncologic Surgery
Rouen & Montpellier, France
2019
- Masterclass in Laparoscopic Liver Surgery
Johnson & Johnson Institute, Hamburg, Germany
2020
- University Certificate in Diagnostic Radiology
Liège, Belgium
2021
- European Interuniversity Diploma in Surgical Practice in Oncology
Lyon, France
2023
- University Diploma in Surgical and Interventional Endoscopy
IRCAD, Strasbourg, France