Menelaos Zoulamoglou MD, MSc is a General Surgeon maintaining a private practice in Vrilissia, specializing in modern minimally invasive and oncological surgery. He completed his medical studies at the National and Kapodistrian University of Athens and has undergone extensive postgraduate training through multiple advanced degrees, including surgical oncology and advanced laparoscopic, bariatric, and robotic surgery. Throughout his professional career, he has served at major hospitals in Athens, gaining extensive experience in general and oncological surgery, with years of training in both university and hospital settings, including specialization in surgery. His expertise encompasses a wide range of conditions, such as colorectal surgery, oncologic procedures of the digestive system, as well as liver, pancreas, and breast surgery. His objective is to provide high-quality medical services with an emphasis on patient safety, modern minimally invasive techniques, and individualized surgical care.

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.

Dr. Lazaros Lazarou is a General Surgeon, certified in surgical oncology of the colon and rectum, pancreas, stomach, liver, and thyroid gland, as well as in proctology, with specialized expertise in laparoscopic and robotic surgical procedures. He maintains a private medical practice in Volos, Greece. He studied and specialized in Germany, where he pursued a career in Surgery. He completed his residency at the Department of General, Visceral and Transplant Surgery of the University Hospital of Ulm, where in 2007 he obtained his Board Certification in General Surgery and was appointed Consultant Surgeon, while in 2010 he acquired the qualification in Advanced Visceral Surgery. In 2013, he was promoted to Deputy Director, and in 2015 to Associate Director of Surgery, with parallel responsibilities for the development of the 14 Centers of Excellence of the surgical department, including all oncological centers, as well as centers for inflammatory bowel disease, thyroid and parathyroid glands, hernia, and sarcoma. In 2017, he assumed the position of Director of General, Visceral, Thoracic and Transplant Surgery at the Stuttgart Hospital, which is a certified Oncology Cancer Center of the German Cancer Society (DKG) and a Transplant Center with 23 Centers of Excellence. At the same hospital, he also served as Scientific Coordinator and Medical Director, with responsibilities including: coordination of the Visceral Oncology Center (esophagus, stomach, pancreas, liver, colon and rectum, endocrine glands, peritoneal and other metastases, sarcoma), director of the Oncological–Visceral Tumor Board, delegate for the education of medical students at the Center for Surgical Medicine, transfusion officer of the department, coordinator of the research programs of the Visceral Oncology Center, officer responsible for quality assurance of the Department of General, Visceral, Thoracic and Transplant Surgery, as well as member of the committee of the German Cancer Society responsible for the certification of Centers of Excellence in Visceral and Oncological Medicine. Mr. Lazaros Lazarou returned to Greece with his family, aiming to offer his extensive surgical experience and scientific expertise acquired at leading German and European certified centers where he worked. His commitment focuses on personalized treatment based on Greek and international protocols, access to minimally invasive surgery, optimal surgical outcomes, absolute transparency and trust, as well as continuous education and innovation. Following a competitive selection process, he assumed the position of Coordinating Director of Surgery at the Volos Hospital, while simultaneously providing his services at his private practice and in private hospitals. His clinic focuses on minimally invasive surgical techniques (laparoscopic and robotic surgery) and specialized oncological surgery. Particular emphasis is placed on colorectal cancer, pancreatic cancer, as well as the surgical treatment of endocrine glands and proctology. Dr. Lazaros Lazarou is a member of distinguished German and Greek medical societies that play a leading role in his specialty and actively participates in their conferences and scientific activities. He has contributed to the authorship of studies published in prestigious international scientific journals and has delivered numerous lectures and presentations at international conferences.

Kyziridis Dimitrios is a General Surgeon who maintains a private practice in Thessaloniki. He holds a PhD from the Medical School of Aristotle University of Thessaloniki (A.U.Th.). Additionally, he is a Diplomate of the European Society of Surgical Oncology for the management of peritoneal malignancy and a collaborator of the peritoneal malignancy program at the Euromedica Cyan Cross clinic, while also specializing in the treatment of anal diseases. From September 2023 to October 2024, he served as a Scientific Collaborator of the 4th University Surgical Clinic of A.U.Th. at the General Hospital of Thessaloniki "G. Papanikolaou," actively participating in surgeries, on-call duties, and the clinic's teaching activities. He has participated in numerous seminars and conferences both in Greece and abroad and is the author of numerous announcements and papers in Greek and international journals.

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."

Xorti Aggeliki is a General Surgeon and maintains a private practice in Ano Toumba, Thessaloniki. She holds a PhD from the Medical School of Aristotle University of Thessaloniki and has completed a postgraduate degree in Biostatistics and Research Methodology at the University of Thessaly. Her medical degree was awarded by Aristotle University of Thessaloniki. Since 2024, she has been working as a General Surgeon at the AHEPA University General Hospital of Thessaloniki and Euromedica Cyan Cross. Concurrently, she serves as an Academic Reader in the English-speaking department of the Medical School at Aristotle University of Thessaloniki. She has specialized in Endocrine Surgery at the Universita di Pisa in Italy. Finally, the physician offers a wide range of services at her private practice, tailored to the individual needs of each patient.

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.