Qualifications Primary Qualification: MEDICAL DOCTOR UNIVERSITY OF TORINO ( ITALY) IN 1980 Specialist Qualification: 1) GENERAL MEDICINE UNIVERSITY OF TURIN 1) ONCOLOGY UNIVERSITY OF TORINO ( ITALY) 1985 2) GASTROINTESTINAL ENDOSCOPY AND SURGERY OF THE GASTROINTESTINAL TRACT UNIVERSITY OF MILAN ( ITALY) 1990 3) PHD IN RIGS ( RADIO-IMMUNE-GUIDED SURGERY) UNIVERSITY OF TORINO ( ITALY) 1997. 1980-1981 MEDICAL TRAINING IN INTERNAL MEDICINE UNIVERSITY OF TORINO S. GIOVANNI HOSPITAL TORINO 1982-1985 TRAINING DURING SPECIALIZATION IN ONCOLOGY UNIVERSITY OF TORINO SAN GIOVANNI HOSPITAL A.S. 1985-1990 TRAINING DURING SPECIALIZATION IN SURGERY OF THE GASTROINTESTINAL TRACT AND GASTROINTESTINAL ENDOSCOPY OSP. MAGGIORE PAD. MONTEGGIA UNIVERSITY OF MILAN 1990-1993 SPECIAL ASSISTANT DEPT. OF ONCOLOGICAL DISEASES AT THE UNIVERSITY OF TORINO ( ITALY) AT MOLINETTE HOSPITAL 1993-TILL NOW NOW PROFESSOR OF GASTROINTESTINAL ENDOSCOPY AT THE UNIVERSITY OF TORINO SCHOOL OF MEDICINE SINCE 1997 HE IS IN CHARGE OF THE ENDOSCOPY UNIT AT THE DEPT. OF SURGICAL ONCOLOGY AT THE UNIVERSITY OF TORINO SINCE 1998 HE IS UNIVERSITY BOARD TUTOR FOR STATE LICENCE EXAMINATION IN 2002 HE OBTAINED A PHD IN RIGS ( RADIO-IMMUNE GUIDED SURGERY ) AT THE UNIVERSITY OF TURIN PROFESSOR IN CHARGE OF THE ENDOSCOPY AND G.I. UNIT, UNIVERSITY HOSPITAL AT MOLINETTE TURIN ITALY HE AND HIS TEAM PERFORM OVER 1500 UPPER AND LOWER G.I. PROCEDURES INCLUDING MORE THAN 350 E.P. AND SEE OVER 1300 OUTPATIENTS INCLUDING NEW CASES, FOLLOW UPS AND MORE THAN 600 INPATIENTS PER YEAR Current employment

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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.