Dr. Svoronos Gerasimos is a General Surgeon with a private practice in Cholargos. He has 38 years of surgical experience, having performed a large number of operations. He holds a PhD and a degree from the Medical School of the National and Kapodistrian University of Athens. He served as the Head of the Surgical Department at the General Hospital for Thoracic Diseases of Athens "Sotiria" for 20 consecutive years. During his 20 years at the clinic, he participated in a significant number of surgical procedures.

Kaloxristianakis Nikolaos is a General Surgeon and Director of the 6th Surgical Clinic at Errikos Dunant Hospital Center. He has specialization and extensive experience in advanced laparoscopic surgery of abdominal wall hernias and the digestive system (gallbladder, large and small intestine, stomach), as well as in diseases of the anus. He is a member of the Hellenic and European Societies of Endoscopic Surgery and the European Hernia Society (EHS) and maintains an active presence at international conferences in the field of Laparoscopic Surgery.

Ο ιατρός Άσση Αβραάμ είναι Διευθυντής της Β’ Ογκολογικής Κλινικής - Μονάδας Κλινικών Μελετών στο νοσοκομείο Ερρίκος Ντυνάν Hospital Center.

Ο Αβραάμ Άσση αποφοίτησε το 2005 από την Ιατρική Σχολή του Πανεπιστημίου Αλεξάνδρειας Αιγύπτου. Ειδικεύθηκε στην Παθολογική Ογκολογία στην Δ’ Παθολογική Κλινική και στην Αιματολογική Κλινική του Νοσοκομείου Ευαγγελισμός, στην Ογκολογική Κλινική του Πανεπιστημιακού Νοσοκομείου Ιωαννίνων καθώς και στην Ογκολογική Κλινική του Γενικού Αντικαρκινικού Νοσοκομείου Πειραιώς Μεταξά.

Ταυτόχρονα, παρακολούθησε το μεταπτυχιακό πρόγραμμα σπουδών της Ιατρικής Σχολής ΕΚΠΑ “Η Νεοπλασματική Νόσος στον Άνθρωπο – Σύγχρονη Κλινικοπαθολογοανατομική προσέγγιση και έρευνα” ενώ το 2019 έλαβε τον τίτλο ευρωπαϊκής πιστοποίησης στην Παθολογική Ογκολογία ESMO και τον Οκτώβριο του 2021 τον τίτλο ευρωπαϊκής πιστοποίησης στη Γυναικολογική Ογκολογία, ESGO.

Από το 2019, έχει συνεργαστεί με πληθώρα κλινικών όπως η Ογκολογική Κλινική του Γενικού Αντικαρκινικού Νοσοκομείου Πειραιώς Μεταξά, η Πανεπιστημιακή Παθολογική Κλινική του ΓΝΑ ΑΤΤΙΚΟΝ, η Δ’ Ογκολογική κλινική ΕΡΡΙΚΟΣ ΝΤΥΝΑΝ Hospital Center, καθώς και με τα θεραπευτήρια Metropolitan General, Therapis General, ΜΗΤΕΡΑ. Ιδιαίτερο γνωστικό του αντικείμενο αποτελούν ο Γυναικολογικός Καρκίνος, ο Καρκίνος Μαστού, ο Καρκίνος Πεπτικού, ο Καρκίνος Πνεύμονος καθώς και ο Καρκίνος Κεφαλής/τραχήλου.

Ο ιατρός έχει ενεργό συμμετοχή σε ελληνικά και διεθνή συνέδρια και κλινικά σεμινάρια σχετικά με το αντικείμενο της Παθολογικής Ογκολογίας, τόσο με προφορικές ομιλίες, όσο και με ελεύθερες ανακοινώσεις. Τέλος, είναι συγγραφέας δημοσιεύσεων σε διεθνώς αναγνωρισμένα ιατρικά περιοδικά.

Σήμερα, είναι Διευθυντής της Β' Ογκολογικής Παθολογικής Κλινικής - Μονάδας Κλινικών Μελετών στο ΕΡΡΙΚΟΣ ΝΤΥΝΑΝ Hospital Center, ενώ παράλληλα διατηρεί ένα ιδιωτικό ιατρείο στη Ρόδο, που εξυπηρετεί κατοίκους Δωδεκανήσων.

Dr. Ioannis Virlos is a General Surgeon who maintains a private practice in Glyfada. He graduated from the Medical School of Alexandroupolis, Democritus University of Thrace, obtaining his medical degree in 1990. In 2000, he earned a Master’s degree in Surgical Sciences (MSc in Surgical Sciences) as well as a Diploma from Imperial College London (Diploma Imperial College), United Kingdom. In 2009, he was awarded a Doctorate (Medical Doctorate) from the University of Manchester, UK.He has been a Fellow of the Royal College of Surgeons of Edinburgh (FRCSEd.) since 1998 and of the Intercollegiate Board in Surgery of the United Kingdom (FRCS (Gen Surg)) since 2008. Since 2011, he has been a Fellow of the European Board of Surgery in the field of Colorectal Surgery (FEBS (Coloproctology)).Dr Ioannis Virlos is a specialized colorectal and bariatric surgeon, also trained in minimally invasive surgery — both laparoscopic and robotic. He has received training not only in Greece but also in the United Kingdom, Australia, and Belgium.After completing his military service in 1992, he trained in General Surgery in hospitals in Athens and the United Kingdom between 1992 and 1999, obtaining his specialty title in General Surgery in 1999. From 2002 to 2012, he served as a surgical consultant in hospitals in the UK, Australia, Belgium, and Greece. Specifically, he worked at the following hospitals in the UK: North Middlesex, Arrowe Park, Derriford, Torbay, Exeter, Cheltenham, and North Bristol, as well as at Sir Charles Gairdner University Hospital in Perth, Australia, and Sotiria Hospital in Athens (as Senior Consultant).During the same period, he received advanced training in laparoscopic colorectal surgery and laparoscopic bariatric surgery at Singleton Hospital in Swansea, UK, and Heilighart Ziekenhuis in Roeselare, Belgium.From 2012 to 2021, he worked as a Consultant Surgeon at the following hospitals in the UK: Ealing Hospital, Homerton University Hospital, John Radcliffe & Churchill Hospitals in Oxford, Royal Hampshire County Hospital, Northampton General Hospital, and University Hospitals of Derby and Burton. He returned to Greece in 2021.Since 2023, Mr. Virlos has been the Director of Surgery at Metropolitan General Hospital in Athens. He also serves as the General Secretary of the Hellenic Society of Coloproctology. Finally, for the period 2025–2028, he will represent Greece at the European Society of Coloproctology.

Oncologist Karagiannis Athanasios, at the Athens Bioclinic, is responsible for the complete design and administration of systemic (intravenous or oral) therapy such as classic chemotherapy and primarily immunotherapy and targeted molecular therapy, based on the results of molecular testing conducted on the tumor of each specific patient, aiming for individualized therapeutic selection in accordance with global guidelines, thus providing patients suffering from cancer access to the latest therapeutic options in immunotherapy and targeted therapy.

He also actively participates in the oncology board, through which decisions are made that determine the overall therapeutic approach to managing a malignant disease. This includes, besides systemic therapy, radiotherapy, surgical removal, and various local treatments (thermal ablation, embolization). The medical team of the oncology board includes physicians from all specialties involved in treating a malignant disease, such as surgical oncologists, radiation oncologists, interventional radiologists, internists, and pathologists, offering a comprehensive assessment of the disease, its treatment, and potential complications during the overall therapeutic course.

In our Oncology Department, numerous patients with lung cancer, stomach and intestinal cancer, pancreatic, liver, and biliary tract cancer, bladder and kidney cancer, and breast cancer are monitored.

Additionally, emphasis is placed on the complex therapeutic management of metastatic and advanced cancers through the simultaneous application of systemic and local therapies (directly to the metastatic site) in collaboration with the specialized interventional radiology department of the Athens Bioclinic. 

Koutsogiorgas Paris is a General Surgeon and maintains a private practice in Psychiko, within the Psychiko Medical Center. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his specialty training at the 2nd University Surgical Clinic of Laiko Hospital in Athens. He is an Associate of the most prominent private clinics, including Psychiko Clinic of the Athens Medical Group, Iaso General, Bioclinic, and Euroclinic. He has extensive experience across the full spectrum of General Surgery and Laparoscopic Surgery, with specialization in breast surgery and endocrine glands (thyroid and parathyroid glands), managing all related cases. He employs the most advanced medical technologies, with patient safety and health protection as his utmost priority. Furthermore, he has attended seminars at significant hospital centers in Europe, aiming for continuous education and updates in his field.

Dr. Napoleon Xirokostas is a board-certified General Surgeon with subspecialty training in Laparoscopic, Robotic, and Oncologic Surgery. He maintains a private medical office in Rafina, Greece, and also serves as a Consultant Surgeon at the 1st Surgical Department of IASO General Hospital in Athens.

He completed his residency in General Surgery at Evangelismos General Hospital of Athens, the largest tertiary care and trauma center in Greece, where he also held the position of Chief Resident. Over the course of his training, he participated in more than 1,000 surgical procedures, including a wide spectrum of emergency, oncologic, and minimally invasive surgeries.

Dr. Xirokostas holds a Medical Degree (MD) from the Democritus University of Thrace and a Master of Science (MSc) in Advanced Laparoscopic and Bariatric Surgery from the National and Kapodistrian University of Athens.

He completed his mandatory rural medical service at the General Hospital of Kyparissia and previously served in the Greek Army as a General Medicine Doctor, providing medical assessments and basic life support instruction.

He has received extensive training in trauma surgery (DSTC), laparoscopic and robotic techniques, microsurgery, and emergency abdominal procedures. He is certified in ATLS, ALS, and has participated in numerous specialized surgical workshops and cadaveric dissection courses across Europe.

Dr. Xirokostas has an active academic presence, with several peer-reviewed publications and presentations at national and international surgical congresses.

He treats conditions including:

• Laparoscopic surgeries (cholecystectomy, hernias, appendectomy)

• Thyroid and parathyroid surgery

• Oncologic surgery (colorectal, gastric, skin/melanoma, soft tissue)

• Robotic surgery for complex abdominal cases

• Emergency trauma surgery and general surgical consults

His clinical approach is grounded in personalized care, evidence-based practice, and a strong commitment to patient safety and recovery.

Georgios Bpagias is a General Surgeon, PhD holder from the Medical School of Athens. He completed his medical studies at the Medical School of Athens with "Excellent" marks and undertook his specialty training in Greece and Germany (university clinics of general surgery and transplantation in Hannover and Essen). Concurrently, he completed his doctoral thesis on short bowel syndrome also with "Excellent" marks, while specializing in minimally invasive colorectal surgery at the University of Strasbourg, with an emphasis on modern laparoscopic techniques. Subsequently, he completed specialization in pelvic floor disorder management at the University of Venice.

In his clinical practice, he manages general surgery cases covering a broad spectrum, from minor procedures and routine laparoscopic surgeries to specialized colorectal and pelvic floor surgeries. His primary concern is responsible and evidence-based consultation on all surgical issues, aiming for appropriate guidance and making safe therapeutic decisions.

He maintains active scientific involvement, participating predominantly as a speaker and trainer in international, as well as pan-European and Greek scientific conferences. Additionally, he is the author of numerous scientific publications in international journals indexed in PubMed, reflecting his continuous engagement with scientific documentation and the advancement of surgery.

His philosophy is based on the proper and personalized evaluation of each case, evidence-based decision-making, and the avoidance of unnecessary surgeries when not required. Special emphasis is placed on clear, honest, and understandable communication with the patient, to ensure active participation in the therapeutic process and to foster a sense of safety and trust.

Demiri Matina is a Oncologist - Pathologist and maintains a private practice within the Metropolitan Hospital in Cholargos. Her clinical focus encompasses all solid tumors, including gastrointestinal tumors and neuroendocrine tumors. She graduated from the Medical School of the National and Kapodistrian University of Athens (NKUA), completed her Pathology specialty in 1987, and Oncology specialization in 2003. She has gained valuable experience working as a Consultant in Pathology-Oncology Clinics at prominent institutions such as Tzaneio General Hospital of Piraeus and the General Anti-Cancer Oncology Hospital of Athens "Agios Savvas." Since 2023, she has been serving as the Director of the 3rd Oncology Clinic at Metropolitan General Cholargos. Additionally, she is an active member of associations and organizations including the Hellenic Society for Neuroendocrine Tumors, where she serves as President, the Hellenic Society of Medical Oncologists (HSPO), the European Society for Medical Oncology (ESMO), the American Society of Clinical Oncology (ASCO), the European Neuroendocrine Tumor Society e.V. (ENETS), and the North American Neuroendocrine Tumor Society (NANETS). Finally, her significant contributions to research programs and publications were recognized in 2023 when she received an honorary distinction as Scientific Director "for her valuable contribution to patients and fellow physicians of the Clinic" at the 11th Panhellenic Congress "New Drugs in Oncology."

Kelgiorgi Dionysia MD, MSc is a General Surgeon with a private practice in Chalandri. She holds a Master's Degree in "NEW TECHNOLOGIES IN DIGESTIVE SURGERY – MINIMALLY INVASIVE TECHNIQUES – BARIATRIC SURGERY" from the National and Kapodistrian University of Athens (NKUA). She is currently an instructor in this postgraduate program at the University of Athens. She has received certification in laparoscopic surgery from the internationally renowned IRCAD center of excellence in Minimally Invasive Surgery, Strasbourg. She is also certified in the use of surgical laser from a reference center for perianal diseases in Leipzig, Germany. She specializes in Minimally Invasive Surgery (Laparoscopic and Robotic Surgery, Surgical Laser), as well as surgical oncology. She has served as Consultant Surgeon in the Robotic Surgery and Surgical Oncology Clinic at Metropolitan General Hospital and held the same position for three years at the Euroclinic of Athens. Additionally, she was Consultant Surgeon at the accredited Center of Excellence for Thyroid and Parathyroid Surgery of the Euroclinic Athens. She is a member of Greek and European scientific societies, including the European and Hellenic Society of Endoscopic Surgery, the European and Hellenic Hernia Society, the European Society of Coloproctology, and the Hellenic Surgical Society, participating in their advanced training courses. She has numerous participations in conferences, seminars, and symposia in Greece and abroad and serves as a reviewer for the medical journals Cancer Medicine and Hepatobiliary & Pancreatic Diseases International.

Stratigos Panagiotis is a General Surgeon and sees patients for consultation at the outpatient Surgical Clinic of the private Lumedica clinic in Peristeri. He holds a PhD from the National and Kapodistrian University of Athens and is a graduate of the Medical School of the same university. He specialized in General Surgery at the following hospitals: General Hospital of Piraeus "Tzaneio," General Hospital of Nikaia "Agios Panteleimon," and 251 Air Force General Hospital. Since 2007, he has been serving at the General Hospital of Athens "Elpis," where he currently holds the position of Director of General Surgery. He has served as Senior Registrar (Grade A and B) at the General Hospitals of Athens "Elpis," Mytilene, and Lemnos, and has also worked as a Locum General Surgeon in MULTIPLE hospitals in the United Kingdom. His specialization is General Surgery, with a particular interest in modern surgical techniques. He is a member of the Athens Medical Association, the General Medical Council (UK), and the International Society of Surgery (ISS-SIC).

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.

Dr Liagkos Th Georgios, MD, PhD, is a General Surgeon - Proctologist, graduate of the Medical School of Patras, and has been awarded the distinction of Outstanding Doctorate from the Medical School of the National and Kapodistrian University of Athens. He is the Director of the 2nd Surgical Clinic for Anorectal Diseases at the Lumedica group and a Scientific Collaborating Surgeon - Proctologist at Metropolitan Hospital in Neo Faliro and Therapis in Athens. He maintains private practices in Aigaleo and Lamia. He is a certified member of the American College of Surgeons (ATLS - ACS Committee on Trauma) and an active member of the Hellenic Surgical Society, the Hellenic Society of Endoscopic Surgery & Other Minimally Invasive Techniques, the Hellenic Society of Coloproctology, and the Hellenic Phlebology Society. He has specialized in Surgical Treatment of Anorectal Diseases and Intestinal Surgery at the General State Hospital of Nikaia, and has undergone additional training in Advanced Laparoscopic Surgery and Minimally Invasive Surgery of Abdominal Wall Hernias. Additionally, he is certified in the use of modern optical fiber Laser, radiofrequency (RF), and ultrasound (HAL) techniques in the surgical management of anorectal diseases (coccygeal cyst, hemorrhoids, perianal fistula-abscess, anal fissure, condylomas). Annually, he is a speaker and contributor of presentations at numerous postgraduate seminars and conferences both abroad and in Greece, staying informed primarily on current advances in Proctology and Minimally Invasive Surgery. Since 2017, he has served as a reviewer for the American Surgical Journal & Trauma Cases and Reviews, and in 2023, he announced the first worldwide publication presenting new data on the modern treatment of coccygeal cyst using Laser with the new Infinate Ring fiber.