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."

Dr. Konstantinos Xydis, BSc, MD, MSc, PhD, is a Radiation Oncologist with many years of experience in Germany, not only in the treatment of malignant diseases but also in the modern application of Low-Dose Radiation Therapy (LDRT) for benign musculoskeletal disorders.

He collaborates with the HYGEIA Hospital (Athens), IASIS – Gavrilakis General Clinic and Evangelisches Krankenhaus Wesel in Germany.

He completed his specialization at Metaxa Oncology Hospital in Greece and at the University Hospital Essen in Germany.

He has served as Senior Consultant (Attending Physician) and Consultant at the University Hospital Essen in Germany and as Director at Evangelisches Krankenhaus Wesel in Germany.

He has extensive experience in radiation therapy for musculoskeletal conditions such as knee and hip osteoarthritis, heel spur, and elbow epicondylitis (tennis/golf elbow).

Dr. Konstantinos Xydis, BSc, MD, MSc, PhD, ist Facharzt für Strahlentherapie und Radioonkologie mit langjähriger Erfahrung in Deutschland – nicht nur in der Behandlung bösartiger Erkrankungen, sondern auch in der modernen Anwendung der Niedrigdosis-Strahlentherapie (Low-Dose Radiation Therapy – LDRT) bei gutartigen Erkrankungen des Bewegungsapparates.

Er kooperiert mit dem HYGEIA-Krankenhaus (Athen), der IASIS – Allgemeine Klinik Gavrilakis sowie dem Evangelischen Krankenhaus Wesel in Deutschland.

Seine Facharztausbildung absolvierte er im Onkologischen Krankenhaus „Metaxa“ in Griechenland sowie am Universitätsklinikum Essen in Deutschland.

Er war als Oberarzt und Facharzt am Universitätsklinikum Essen tätig sowie als Chefarzt am Evangelischen Krankenhaus Wesel in Deutschland.

Er verfügt über umfangreiche Erfahrung in der Strahlentherapie bei Erkrankungen des Bewegungsapparates wie Knie- und Hüftarthrose, Fersensporn sowie Epicondylitis des Ellenbogens (Tennis- bzw. Golferellenbogen).

Kotsifopoulos Nikolaos is a Mastologist and maintains a private practice in Chalandri. He holds a Medical degree from the Military School of Corps Officers of the Medical Department of Aristotle University of Thessaloniki. He specialized in General Surgery at the 251 Air Force General Hospital and in the Second Surgical Department of the General Hospital of Athens "Evangelismos." Subsequently, he trained in pathology, imaging, surgical, and oncoplastic breast surgery at the Institut Curie Hospital in Paris. He has been trained in Laparoscopic Skills Enhancement and Suturing at Yale University School of Medicine and has attended seminars on Breast Imaging from the European School of Breast Imaging. He has worked as a professor in the Pathological Nursing specialty program, has served as the head of the breast clinic at the 251 Air Force General Hospital, and as Deputy Director of Surgery at the Breast Clinic of Metropolitan Hospital. Finally, the physician is a member of the European Society of Breast Cancer Specialists and has participated in numerous conferences, while also having authored studies in Greece and abroad.

Ksenakis Ksenofon MD, PhD is a Breast Surgeon and maintains a private practice in Ilioupoli. He is the Head of the Breast Surgery Team at the "Errikos Dynan" Hospital Center and serves as the Director of the Breast Unit at "Metropolitan General." Additionally, he is a Scientific Advisor to "Hygeia" Hospital, Athens Medical Center, and Euroclinic Athens. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and has specialized in General and Oncologic Surgery at the Piraeus Anti-Cancer Hospital "Metaxa" and the Athens General Hospital "Evangelismos," as well as in Oncoplastic and Reconstructive Breast Surgery at breast units in the United States and the United Kingdom. He has worked as a Breast Surgeon at Northwick Park Hospital and Birmingham Heart of England Hospital in the United Kingdom and holds medical licenses to practice in Greece, Sweden, the United Arab Emirates, and the United Kingdom. Finally, he is a regular member of the Hellenic Surgical Society, the Hellenic Society of Breast Surgery, and the Hellenic Society of Surgical Infections.

Ο Καβαλιεράτος Γιώργος είναι Γενικός Χειρουργός και Επιμελητής ΕΣΥ του Γενικού Αντικαρκινικού - Ογκολογικού Νοσοκομείου Αθηνών "Άγιος Σάββας". Ολοκλήρωσε τις σπουδές του στην Ιατρική στο Πανεπιστήμιο Πατρών και είναι κάτοχος μεταπτυχιακού από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών.

Είναι μέλος του Ιατρικού Συλλόγου Αθηνών και έχει εξειδικευτεί στη χειρουργική ογκολογία μαστού, με πληθώρα εμπειρίας σε μαστεκτομές, ογκεκτομές, βιοψία φρουρού λεμφαδένα και λεμφαδενικό καθαρισμό αλλά και στην λαπαροσκοπική χειρουργική κηλών. Αναλαμβάνει περιστατικά που αντιμετωπίζονται με ελάχιστα επεμβατικές τεχνικές και χειρουργικής ογκολογίας. Η διεκπεραίωση τυχόν επεμβάσεων γίνεται αποκλειστικά στο δημόσιο νοσοκομείο. Ο Καβαλιεράτος Γιώργος συνδυάζει την υψηλή εμπειρία που έχει αποκτήσει από το δημόσιο σύστημα, με τον σεβασμό στον ποιοτικό χρόνο που απαιτεί ο ασθενής για να λύσει τις απορίες του, πάντα με πίστη στο δημόσιο σύστημα υγείας.

Panopoulou Eufrosyni is a Breast Surgeon specialized in Oncoplastic and Reconstructive breast surgery and maintains a private practice in Ampelokipoi, Attica. Her goal is for each patient to receive treatment personalized to their condition and needs. She graduated from the Medical School of the National and Kapodistrian University of Athens, where she is a PhD candidate with a research topic related to breast cancer. She specialized in major hospitals in London, Royal Marsden Hospital and Royal Free Hospital, for 3 years. She has obtained the European specialization title in surgical pathology and breast oncology, Fellow of the European Board of Breast Surgery and BRESO. She deals with the full spectrum of benign and malignant breast diseases and performs the entire range of modern breast surgical procedures, including specialized oncoplastic techniques, sentinel lymph node biopsy and axillary lymph node dissection, complex therapeutic mammaplasty techniques, symmetrization surgery, therapeutic breast reduction, skin- and nipple-sparing subcutaneous mastectomy with immediate reconstruction using silicone implants placed under or above the muscle with the use of acellular dermal matrix (ADM), and delayed breast reconstruction after mastectomy using silicone implants and mesh/ADM.

Dr. Mastrominas Minas is a Gynecologist - Obstetrician and a specialist in assisted reproduction and maintains a private practice in Marousi. He completed his medical studies at the Medical School of Aristotle University of Thessaloniki. He obtained his specialty title in 1989 and in the same year was awarded a PhD from the Medical School of the University of Athens. He has received, after examinations, the diploma of excellence from the European Society of Gynecology and Obstetrics. In 1991, Dr. Mastrominas Minas assumed the directorship of the In Vitro Fertilization department at Mitera Maternity Hospital, and in 1994 he founded the "Embryogenesis" Unit.