Dr Karentzos is a general and visceral surgeon with a multinational training and working experience. He was accredited as a general surgeon in 2014 in Greece after completing a part of his training in Colmar and in Strasbourg, France. He continued his post-CCT training in the UK (Royal Free London and Imperial College NHS Trusts) and in 2016 he moved to Geneva, Switzerland, where he worked at the University Hospital (HUG). In 2020 he pursued a Royal College of Surgeons of England accredited fellowship in benign upper GI surgery at Torbay Hospital in the UK which enabled him to acquire a significant amount of knowledge and expertise regarding the treatment of benign pathologies of the esophagus, the stomach and the diaphragm as well as the laparoscopic exploration of the bile ducts. In 2021 he returned to Switzerland to work in the department of surgery of the cantonal hospital of Fribourg as well as in the department of pediatric surgery of the university hospital of Geneva and in May 2023 he started his private practice in Geneva.

The Censuy Medical and Surgical Centre, a multidisciplinary facility located in western Lausanne, brings together a group of general practitioners and specialists. It treats adult and paediatric patients, by appointment or in emergencies. Established nearly 40 years ago, the Censuy Medical and Surgical Centre has been offering state-of-the-art infrastructure to patients and staff for many years. Over the past five years, numerous renovations and developments have been carried out, both in terms of infrastructure and medical equipment. This reflects the establishment's philosophy of adapting to new medical practices and a constantly changing environment, with the aim of providing comprehensive and optimal patient care. Medical specialities: General medicine ENT, allergology and immunology General surgery and trauma emergencies Plastic and reconstructive surgery Ultrasound Gynaecology Internal medicine Paediatrics Physiotherapy Rheumatology, pain management Analytical laboratory Radiology