General surgeons

Zisiadis Dimitris MD, MSc, PhDc, is a General Surgeon and Director of the Surgical Clinic at the Medical Center of Athens - Psychiko, with private practices in Kifisia, Agios Dimitrios, Ilion, and Psychiko. He is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens and holds a master's degree in Bioethics from the Medical School of Democritus University of Thrace. Additionally, it is worth mentioning his specialization in Laparoscopic Surgery from the University of Strasbourg in France, Minimally Invasive surgery for inguinal hernia repair at IRCAD, and training in robot-assisted laparoscopic surgery. He has participated in thousands of surgeries for critically ill patients during his surgical practice in the public sector, as well as numerous advanced surgical reconstructions abroad, with a strong commitment to implementing these techniques in Greece. He has served as a collaborating Surgeon in numerous private centers in Greece, Italy, and the UK (London), participating in a wide range of general, laparoscopic, and robotic surgical procedures. He employs the most modern equipment and state-of-the-art techniques worldwide. He has also been trained in the repair of inguinal hernia, hydrocele, and ventral hernia using double mesh and local anesthesia. Finally, he has actively participated in numerous surgical conferences in Greece and courses organized by the Hellenic Surgical Society.

Dr. Kexagias Aristotelis MD, PhD, FACS is a General Surgeon with a subspecialty in Advanced Laparoscopic and Endocrine Surgery, as well as Laser procedures. He is a summa cum laude Doctor of the Medical School of the National and Kapodistrian University of Athens. He holds two specialty certifications (double specialty): General Surgery (Athens) and Laparoscopic Surgery of the Gastrointestinal Tract and Endocrine Glands, following postgraduate training at the University Hospital of Tampere, Finland. He has received further training at leading international centers in laparoscopic surgery and thyroid/parathyroid surgery, including the Karolinska Institute in Stockholm, Sweden, UMC Utrecht in the Netherlands, and Rudolfstiftung in Vienna. He also completed advanced training in modern minimally invasive Laser techniques at the Tor Vergata University Hospital in Rome. He is certified in advanced laparoscopic surgery by IRCAD France in Strasbourg. He is a member of numerous Greek and international surgical scientific societies and the American College of Surgeons. He has participated as an invited speaker in many international and national conferences. He maintains a private practice in Agia Paraskevi and performs surgeries at private hospitals in Athens.

Ioumpas Leon is a General Surgeon and maintains a private practice in Kolonos. He graduated from the Medical School of Cluj Napoca in Romania and obtained his specialty in general surgery at the General Hospital of Athens "Evangelismos," in the 3rd Surgical Clinic - Laparoscopic Unit. Currently, he is a Scientific Collaborator at Hygeia Hospital, the "Eugenideio" Therapeutic Center, the "Attiko Therapeutic Center," as well as the private hospital "Mitera." He manages cases across the full spectrum of general surgery, including the diagnosis, laparoscopy, and surgical treatment of the colon, stomach, and pancreas. Additionally, he performs thyroidectomies, appendectomies, hemorrhoidectomies, and cholecystectomies, as well as all types of hernia repairs and provides comprehensive information and evidence-based surgical management plans for patients with skin tumors, such as melanomas and lipomas. Finally, his private practice offers the possibility of performing minor procedures, bloodlessly and under local anesthesia, such as removal of skin tumors - cysts, skin nevi, biopsies, ingrown nails, and treatment of telangiectasias.

Ο Γιάλβαλης Δημήτριος MD, MSc είναι Διευθυντής Χειρουργός του Ε' Χειρουργικού Τμήματος της Ευρωκλινικής Αθηνών. Γενικός Χειρουργός με εξειδίκευση στην Χειρουργική Ενδοκρινών και στην Λαπαροσκοπική & Ρομποτική Χειρουργική και κάτοχος τίτλου Μεταπτυχιακού Τίτλου (MSc) στην Ελάχιστα επεμβατική και Ρομποτική Χειρουργική του Πανεπιστημίου Αθηνών. Διατηρεί ιδιωτικό ιατρείο στο Χαλάνδρι και στην Καλαμάτα. Ολοκλήρωσε τις ιατρικές του σπουδές στο Δημοκρίτειο Πανεπιστήμιο Θράκης και ειδικεύθηκε στη Γενική Χειρουργική, τόσο στην Ελλάδα Γενικό Νοσοκομείο Καλαμάτας, 251 Γενικό Νοσοκομείο Αεροπορίας και στην Β΄ Χειρουργική Κλινική του Γενικού Νοσοκομείου Αθηνών "Ο Ευαγγελισμός", όσο και στη Μεγάλη Βρετανία σε αναγνωρισμένες έμμισθες θέσεις από το Royal College of Surgeons of England, σε Leeds και Manchester (NHS Hospitals). Μετεκπαιδεύτηκε στη Λαπαροσκοπική Χειρουργική Άνω Γαστρεντερικού στο St’James University Hospital στο Leeds, εξειδικεύτηκε (ως Senior Clinical Fellow) στην Ενδοκρινική Χειρουργική του King’s College Hospital στο Λονδίνο και ακολούθως μετεκπαιδεύτηκε στο Πανεπιστημιακό Νοσοκομείο της Πίζας στην ελάχιστα επεμβατική ενδοσκοπική θυρεοειδεκτομή / παραθυρεοειδεκτομή (MIVAT MIVAP). Συμμετείχε σε πλήθος μετεκπαιδευτικών σεμιναρίων Λαπαροσκοπικής χειρουργικής και σύγχρονων χειρουργικών τεχνικών, στην συγγραφή επιστημονικών άρθρων, σε παρουσιάσεις και ομιλίες σε ποικίλα ιατρικά συνέδρια, καθώς επίσης είχε ενεργό ρόλο στην εκπαίδευση των ειδικευομένων και φοιτητών ιατρικής. Έχει διατελέσει συνεργάτης Χειρουργός στο Τμήμα Μαστού του Νοσοκομείου Metropolitan, υπηρέτησε ως επικουρικός Επιμελητής Β΄ στην Α΄ Χειρουργική Κλινική του Γενικού Νοσοκομείου Αττικής ΚΑΤ, Επιστημονικός Συνεργάτης Ενδοκρινικής Χειρουργικής, στην Κλινική Γενικής & Λαπαροσκοπικής Χειρουργικής και Χειρουργικής Πεπτικού στο Ιατρικό Κέντρο Αθηνών και Επιστημονικός Συνεργάτης Ενδοκρινικής Χειρουργικής του Metropolitan General. Έχει πολύπλευρη και μακρόχρονη εμπειρία, έχοντας πραγματοποιήσει μεγάλο αριθμό επεμβάσεων όλου του φάσματος της Γενικής, Λαπαροσκοπικής, Ενδοκρινικής και Ογκολογικής χειρουργικής, καθώς και επείγουσας χειρουργικής και χειρουργικής τραύματος.

Kouzanidis Nikolaos MD, MSc is a General Surgeon with private practices in Nea Ionia and Ampelokipoi. He graduated from the Medical School of the University of Patras and has completed postgraduate studies in minimally invasive surgery, robotic surgery, and telesurgery at the Medical School of the National and Kapodistrian University of Athens. The physician performs laparoscopic cholecystectomies, inguinal hernias, umbilical hernias, and all types of surgical procedures, as well as home-based pressure ulcer debridement. Kouzanidis Nikolaos continuously updates his knowledge in his specialty through active participation in conferences and attendance at seminars. Finally, he is a member of the Medical Association of Athens, the Hellenic Surgical Society, the Hellenic Society of Laparoscopic Surgery & Other Interventional Techniques, as well as the European Association for Endoscopic Surgery.

Andreas Tellos is a General Surgeon who maintains a private practice in Chalandri. He is a graduate of the Medical School of the University of Athens and has extensive experience in both the public and private sectors. Additionally, Dr. Tellos serves as an auxiliary surgeon at the Lavrio Health Center and actively participates in the on-call program and regular surgeries of the 2nd Surgical Clinic of the General Hospital of Athens “Sismanoglio.” He has worked as a resident and attending physician in the Surgical Clinic of “Sismanoglio,” and has also worked as a private physician in private clinics and diagnostic centers. Since 2025, he has maintained a private surgical office and collaborates with an experienced plastic surgeon. His scientific activities include participation in national and international conferences, with presentations on topics such as laparoscopic cholecystectomy, its complications, and the diagnosis of endocrine gland disorders. He is distinguished by his continuous education and commitment to providing high-quality surgical care.

Dr. Tsilividis Vasileios is a General Surgeon specializing in Oncological, Laparoscopic, and Bariatric Surgery, with extensive experience in university and private clinics in France and Greece, having performed over 3,500 surgeries.

He maintains private practices in Marousi and Peristeri.

He graduated from the French School of Athens and continued his studies at the Medical School of René Descartes University in Paris. There, he earned his Doctor of Medicine degree and subsequently obtained numerous university diplomas in France, including specializations in gastrointestinal surgery, oncological surgery, and bariatric surgery. He is also a member of the Hellenic Society of Gastrointestinal Oncology.

His professional career began at the University Hospital of Rouen, where he served as a resident, registrar, and later as a hospital physician. Since 2017, he has worked in clinics in France primarily focusing on General, Laparoscopic, Bariatric, and Oncological surgery, utilizing minimally invasive techniques. Currently, he provides his services at the Athens Medical Center in Marousi and Peristeri.

Dr. Tsilividis has participated in numerous scientific conferences and seminars, published papers in international medical journals, and undertaken educational roles at the university level.

He is fluent in French and English.

Dimitris Gkiouzelis, MD, PhD, is a General Surgeon and Doctor of Medicine from the Medical School of the University of Athens. In the general surgeon's clinic, every patient has the opportunity to be informed about conditions related to Endocrine Surgery (Thyroid), Breast Surgery, the Digestive system, abdominal wall hernia surgery (Inguinal hernia, ventral hernia, umbilical hernia), and numerous other surgical conditions. Dr. Dimitris Gkiouzelis is the Director of the Surgical Clinic at the Athens Medical Center Group, Psychiko Clinic. He has served as Director of the Surgical Clinic at Bioclinic Piraeus and as Scientific Associate of the Surgical Department at Bioclinic Athens. He specializes in Advanced Laparoscopic Surgery / Minimally Invasive Surgery and Surgical Oncology. Furthermore, through continuous education, he manages cases involving the Surgical Treatment of Breast Cancer. He has extensive surgical experience, having performed over 4000 surgeries to date, with complete success. Finally, the doctor is a member of the Athens Medical Association, the British Medical Association, and the Hellenic Surgical Society, and collaborates with all private insurance companies.

Spyropoulos Xaralampos is a General Surgeon, PhD holder from the Medical School of the University of Patras, and maintains a private practice in Chalandri. Additionally, he is the Director of the 3rd Surgical Clinic at Metropolitan General and a National Trauma Trainer in Greece and Cyprus, certified by the American College of Surgeons. He graduated from the Medical School of the University of Patras, specialized in General Surgery at the University Hospital of Patras, and further specialized in minimally invasive management of emergency surgical pathologies at the I.R.C.A.D - E.I.T.S. Laparoscopic Surgery Center in Strasbourg, France. Subsequently, he received advanced training in laparoscopic surgery of the upper gastrointestinal system and laparoscopic bariatric surgery at the DRK - Krankenhaus - Clementinenhaus hospital in Hanover, Germany. Moreover, he completed a postgraduate program in Clinical Laboratory Specialties at the University of Patras. Furthermore, he has worked as a General Surgeon at the "Eugenideio" Therapeutic Center, the "Rea" General Clinic, the University Hospital of Patras, and Stepping Hill Hospital in the United Kingdom. Finally, the physician is a member of the Athens Medical Association, the Hellenic Surgical Society, the European Society for Trauma and Emergency Surgery, the Hellenic Society of Gastrointestinal Oncology, the Hellenic Breast Surgery Society, and the Hellenic Society for the Application of Ultrasound in Medicine and Biology.

Dr. Ioannis Zouridakis, MD, MSc, is a General Surgeon and Breast Specialist who has maintained a private practice in Korydallos since 1994 and recently within REA Hospital. He is a Scientific Collaborator and a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He earned his medical degree in 1986 from the University of Rome “La Sapienza” with a doctoral thesis completed during his studies. He specialized in General Surgery at the General Hospital of Athens "Evangelismos" and further specialized in Laparoscopic Surgery at the University of Montpellier in France. He attended the European Advanced Level Course in Breast Disease Management for Surgeons in Athens and specialized in the treatment of breast diseases at the 6th Oncology Hospital "G. Gennimatas." Subsequently, he specialized in hernia surgery using dual mesh PHS & Prolene 3D Patch at Umberto I Hospital in Italy and also specialized in Minimally Invasive Operating Techniques in Colorectal Surgery. He has worked in numerous hospitals and clinics and has served for many years as the Director of the Surgical Clinic at Metropolitan Hospital. Currently, he works daily as a Surgeon – Laparoscopist – Breast Specialist (Consultant Surgeon) at the General and Maternity Hospital REA, one of the most modern hospitals in Greece. Finally, he has attended and participated in over 100 medical conferences in Greece and abroad.

Mousiolis Dimitris MD, MSc, cPhD is a General Surgeon with a private clinic in Ilion. He graduated from the Medical School of Plovdiv University and obtained his specialty in General Surgery from the General Hospital of Athens "Elpis". He holds a postgraduate diploma in Liver - Biliary - Pancreatic Surgery from the Medical Department of Democritus University of Thrace and a Diploma from the Hellenic School of Mastology. Additionally, he has received specialized training in adult cardiopulmonary resuscitation, bariatric surgery, vascular access, sentinel lymph node biopsy, as well as in Laparoscopic & Robotic General Surgery. He specializes in the modern management of perianal diseases and has received specialized training in the minimally invasive treatment of perianal conditions (hemorrhoids, pilonidal cyst, perianal fistulas, anal fissures, condylomas) using specific surgical lasers (LHP, SiLAC, FiLaC) as well as in the treatment of hemorrhoidal disease with the use of ultrasound. To date, he is a collaborating General Surgeon at the Medical Center of Athens, the Bioclinic of Athens, and the Affidea - Euromedical Group. He has published scientific articles in reputable international medical journals and participates in specialized medical events in Greece and abroad. Finally, the doctor is a member of the Medical Association of Athens, the Hellenic Surgical Society, the Hellenic Scientific Society of Robotic Surgery, the Clinical Robotic Surgery Association, as well as the European Resuscitation Council.

Η Δρ Πετροπούλου Θάλεια είναι ειδική Χειρουργός Παχέος Εντέρου και έχει διεθνή κλινική και ακαδημαϊκή καριέρα μεταξύ Ελλάδας και Ηνωμένου Βασιλείου. Διατηρεί ιδιωτικό ιατρείο στους Αμπελόκηπους. Έχει πραγματοποιήσει χιλιάδες λαπαροσκοπικές και ρομποτικές επεμβάσεις και πρόσφατα έγινε η πρώτη Ελληνίδα χειρουργός που έλαβε την παγκόσμια διάκριση "Master Surgeon in Robotic Surgery" από τον διεθνή οργανισμό SRC (Surgical Review Corporation), αναγνώριση που απονέμεται σε χειρουργούς υψηλής εξειδίκευσης και ποιότητας φροντίδας.

Είναι Διευθύντρια του Κέντρου Ρομποτικής & Ελάχιστα Επεμβατικής Χειρουργικής στην Ευρωκλινική Αθηνών, Πανεπιστημιακή Υπότροφος στο Αρεταίειο Νοσοκομείο, και Διευθύντρια (Consultant) Χειρουργός στο Πανεπιστημιακό Νοσοκομείο του Brighton στο Ηνωμένο Βασίλειο.

Είναι πρωτοπόρος στη ρομποτική και λαπαροσκοπική χειρουργική του παχέος εντέρου (Ελάχιστα Επεμβατική) και είναι η μόνη Ελληνίδα Χειρουργός που είναι πιστοποιημένη από την Ευρωπαϊκή Ακαδημία Ρομποτικής Χειρουργικής του Παχέος Εντέρου (EARCS). Σπούδασε στην Ιατρική Σχολή του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών και αναγορεύτηκε Διδάκτωρ γενικής χειρουργικής από το ίδιο πανεπιστήμιο.

Είναι εκπαιδεύτρια Ρομποτικής Χειρουργικής στο διεθνή φορέα εκπαίδευσης της Intuitive, την Ακαδημία ORSI στο Βέλγιο. Επίσης, είναι μέλος του Βασιλικού Κολλεγίου Χειρουργών του Ηνωμένου Βασιλείου (FRCS) και διαπιστευμένη ενδοσκόπος από την JAG και πιστοποιημένη τόσο για διαγνωστική όσο και για θεραπευτική ενδοσκόπηση (EMR, ESD).

Κατέχει διεθνείς διακρίσεις για πρωτοποριακές και καινοτόμες τεχνικές στη Ρομποτική Χειρουργική.

Το 2022 πραγματοποίησε την πρώτη Ρομποτική Κολεκτομή δια φυσικών οπών- χωρίς τομή στην κοιλιά (NOTES) στην Ευρώπη.

Το κέντρο της είναι το μοναδικό στην Ελλάδα που πραγματοποιεί αυτή την επέμβαση.

Το 2024, πραγματοποίησε πρώτη παγκοσμίως προηγμένη ρομποτική επέμβαση με χρήση τεχνητής νοημοσύνης για real-time πλοήγηση και αναγνώριση εργαλείων και οργάνων.

Συμμετέχει ενεργά ως προσκεκλημένη ομιλήτρια σε διεθνή συνέδρια για τη ρομποτική χειρουργική και τα ERAS πρωτόκολλα, συμβάλλοντας στην εξέλιξη της ρομποτικής χειρουργικής χειρουργικής παγκοσμίως.

Mantonakis Eleutherios MD, MSc, PhD is a General Surgeon, Doctor of the Medical School of the National and Kapodistrian University of Athens, Director of the I' Surgical Clinic at Errikos Dynan Hospital, with a private practice in Kolonaki. He has completed postgraduate studies in Liver, Biliary Tract, and Pancreatic Surgery and specialized in General Surgery at the A’ Surgical Clinic of the National and Kapodistrian University of Athens at Laiko Hospital. He received further training in Laparoscopic Surgery and Surgical Oncology at the University Hospitals Beaujon and Georges-Pompidou in Paris. He also underwent advanced training in minimally invasive management of anorectal diseases (Laser LHP, SiLaC, FiLaC) in Germany. He is a member of the International Society for Laser Applications in Proctology. Moreover, he possesses significant research experience, having participated in numerous scientific conferences both as an attendee and as a speaker or with scientific presentations, and he has numerous publications in foreign languages.

Αργύριος Λ. Ιωαννίδης MD, PhD, FACS, FASCRS - Γενικός Χειρουργός

Επιμελητής Χειρουργός Κλινικής Γενικής, Λαπαροσκοπικής, Ογκολογικής και Ρομποτικής Χειρουργικής, Ιατρικό Κέντρο Αθηνών 

Επίκουρος Καθηγητής Κλινικής Χειρουργικής, Ευρωπαϊκό Πανεπιστήμιο Κύπρου

Ειδικεύτηκε στη Γενική Χειρουργική στο Γενικό Νοσοκομείο Αττικής "Σισμανόγλειο" και στο Digestive Disease Center του Cleveland Clinic της Florida των ΗΠΑ με υποτροφία της Ελληνικής Χειρουργικής Εταιρείας. Είναι Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών. Είναι Fellow μετά από κρίση του American College of Surgeons (ACS) και του American Society of Colon and Rectal Surgeons (ASCRS). Έχει διατελέσει εκπρόσωπος των νέων χειρουργών παχέος εντέρου και ορθού της Ευρώπης στην Επιτροπή Μελών του European Society of Coloproctology (ESCP). Έχει εκπαιδευτεί στο Μιλάνο και στη Βιέννη στις τεχνικές TransAnal Minimally Invasive Surgery (TAMIS) και σε όλες τις νεότερες τεχνικές αντιμετώπισης περιεδρικών συριγγίων αντίστοιχα. Το ερευνητικό του ενδιαφέρον αφορά κυρίως τον καρκίνο του ορθού, τη χειρουργική υπό φθορίζουσες ουσίες και τα μεσο-μακροπρόθεσμα αποτελέσματα της λαπαροσκοπικής και ρομποτικής χειρουργικής στις παθήσεις παχέος εντέρου και ορθού. Έχει διατελέσει υπεύθυνος για την Ελλάδα σε περισσότερες από 10 διεθνείς πολυκεντρικές μελέτες με τις αντίστοιχες δημοσιεύσεις σε περιοδικά μεγάλου κύρους όπως τα Lancet, Anaesthesia και British Journal of Surgery. Είναι κριτής σε 11 περιοδικά χειρουργικής και μέλος του εκδοτικού συμβουλίου στα Nature Scientific Reports, Frontiers in Surgery και Colorectal Disease. Έχει συγγράψει πάνω από 120 άρθρα-δημοσιεύσεις σε ξενόγλωσσα περιοδικά με περισσότερες από 2500 αναφορές. Επίσης έχει συμμετάσχει ως ομιλητής σε περισσότερα από 20 Ελληνικά και Διεθνή Συνέδρια και έχει γράψει 2 κεφάλαια συγγραμμάτων χειρουργικής.