Doctors for Aneurysm in Attica

Doundoulakis Konstantinos is a Vascular Surgeon - Angiologist with a private practice in Ilisia. He graduated from the Medical School of Health Sciences at the National and Kapodistrian University of Athens, specializing in Vascular Surgery under the Medical Association of North Rhine-Westphalia, Germany. He trained as a General Surgery Surgeon at the General Hospital of Piraeus, Tzaneio, and specialized in General Surgery and Vascular Surgery at Ludmillenstift Krankenhaus Meppen. He has worked as a Vascular Surgeon at the Vascular Surgery Clinic of Elisabeth Krankenhaus Essen, as a consultant in the Second Vascular Surgery Clinic at Uniklinik Magdeburg, and in the First Vascular Surgery Clinic at Klinikum Brandenburg an der Havel. From 2020 to 2024, he served as a Consultant in the First Vascular Surgery Clinic at the "Errikos Dynan" Hospital, where he currently holds the position of Deputy Director. Finally, in his practice, he manages cases across the full spectrum of vascular surgery and angiological conditions, with noted expertise in endovascular vein surgery, nephropathy fistulas, and arterial diseases.

Marinakos Athanasios is a Specialist Cardiologist with a private practice in the Ampelokipi area. He possesses significant experience in Clinical Cardiology as well as specialized knowledge in Interventional Cardiology and Advanced Echocardiography. The clinic offers Electrocardiograms, Cardiac and Thoracic Aorta Triplex Ultrasound, 24-hour Blood Pressure Holter, 24-48 hour/7-day Rhythm Holter monitoring, utilizing state-of-the-art equipment, and issues health certificates and attestations. For the diagnosis and treatment of complex cardiological cases, he collaborates with the H.H.G group, reputable diagnostic centers, and public healthcare facilities. He holds a medical degree from the Semmelweis University Faculty of Medicine in Budapest. He specialized in Cardiology at the General Regional Hospital of Tripoli and the Konstadopouleio New Ionia "Agia Olga" Hospital. At the Hemodynamic Laboratory of the latter, he received further training in Interventional Cardiology, and at the Onassis Cardiac Surgery Center, he trained in Latest Ultrasound Techniques. He has worked as a Consultant Cardiologist B at the Cardiology Clinic and Hemodynamic Laboratory of the General Hospital of Athens "Laiko," where he gained experience managing cardiology patients with significant comorbidities (pathological, rheumatological, surgical, nephrological, and oncological cases). He has also worked as a Consultant Cardiologist in the interventional cardiology team at the private Metropolitan Hospital, acquiring extensive experience managing cardiology patients undergoing complex angioplasties and transcatheter valve replacement procedures. He is a certified Basic and Advanced Life Support Resuscitator, an area in which he has substantial authorship and educational work. He actively participates in numerous conferences in Greece and abroad.

Panagiotis Roukanas is a Vascular Surgeon - Angiologist and maintains his private practice in Nea Smyrni. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the inter-university postgraduate training program in "Endovascular Techniques" from the same University in collaboration with the University of Bicocca in Milan. He completed his military service as a Unit Physician and worked as a rural doctor at Zakynthos Hospital. He specialized in Thoracic Surgery at the Athens Chest Diseases Hospital "Sotiria" and in Cardiac Surgery at the General Hospital of Athens "Hippokration." Additionally, he trained in General Surgery at the Attica General Hospital KAT and in Vascular Surgery at the General Hospital of Athens "Laiko." He is specialized in the diagnosis and treatment of arterial and venous diseases using the most advanced methods, as well as in the treatment of diabetic foot and lymphedema. As part of his specialization, he participated in research programs in the field of Angiogenesis and the treatment of deep Venous Thrombosis. His scientific activity includes presentations at Greek and international conferences and publications in scientific journals. Since 2011, he has also been an affiliated physician at the BioClinic of Athens.

Dr. Melas Mixail is a Vascular Surgeon with private practices in Piraeus and Agia Paraskevi, while also evaluating patients at the Medical Center of Peristeri and the Bioclinic of Athens. He holds a postgraduate degree in Endovascular Surgery from the National and Kapodistrian University of Athens. The doctor specializes in endovascular arterial surgery, endovascular venous surgery, classical surgery, and telangiectasias, including the restoration of arterial stenoses, carotid arteries, venous insufficiency (phlebitis), as well as the placement of permanent catheters for hemodialysis and fistulas with remarkable outcomes. Additionally, the doctor has significant experience in the treatment of phlebitis, varicose veins, carotid stenosis, aneurysms - stents, peripheral arterial disease, diabetic ulcers (diabetic foot), vascular ultrasound, laser applications, classical and endoluminal vascular surgery, and grafts in patients with kidney disease. It is noteworthy that the doctor has served as an attending physician at the General Hospital of Athens "Evangelismos." Finally, he is a collaborator of the Bioclinic of Athens and has undergone further training in major hospitals abroad as well as clinics in Athens and Piraeus.

Papamentzelopoulos Spyridon is a Cardiologist and operates a private practice in Piraeus. He was admitted to the Military Officers School of Corps and is a graduate of the Medical School of Aristotle University of Thessaloniki. He initially specialized in Pathology at the 401 General Military Hospital of Athens for two years, including nine months in the Intensive Care Unit, and subsequently specialized in Cardiology for four years at the Onassis Cardiac Surgery Center. There, he participated in the management of numerous and complex cardiological cases, while also performing hundreds of diagnostic (stress tests, echocardiograms, Holter monitoring, and others) and interventional procedures (coronary angiographies, angioplasties, cardiac catheterizations, intravenous pacing). Additionally, he has participated in international studies of new transcatheter techniques for treating cardiac valve diseases (TAVI), as well as in the monitoring of patients with heart failure (using left ventricular assist devices [LVAD]) and heart transplantation. At his private practice, he provides specialized solutions tailored to the needs of his patients.

Andreas Katsimardos is a Military Physician, Interventional Cardiologist, consultant at the Cardiology Department of the 417 NIMTS, and maintains a private practice in Gerakas. He holds a degree from the Medical School of Aristotle University of Thessaloniki. He specialized in Cardiology at the 401 General Military Hospital of Athens and subsequently at the University General Hospital "Attikon." He further specialized in Interventional Cardiology at the University General Hospital of Alexandroupolis.

Ο Μαρτίνος Βασίλειος είναι Νευροχειρουργός και διατηρεί ιδιωτικό ιατρείο στην Αθήνα και στη Ραφήνα. Διαθέτει πτυχίο Ιατρικής και Χειρουργικής και ειδικεύτηκε στη Νευροχειρουργική της Πανεπιστημιακής Κλινικής Νευροχειρουργικής στο 2ο Πανεπιστημιακό Νοσοκομείο της Ρώμης "Policlinico Tor Vergata". Παράλληλα, διαθέτει μεγάλη εμπειρία στη διάγνωση και αντιμετώπιση νευροχειρουργικών περιστατικών, αφού είναι Επιμελητής A' - Μέλος Ομάδας Νευροχειρουργών του “Ερρίκος Ντυνάν Hospital Center”, Επιστημονικός Συνεργάτης της ιδιωτικής παιδιατρικής κλινικής "ΙΑΣΩ Παίδων. Όλα αυτά τα χρόνια, έχει κληθεί να αντιμετωπίσει, επεμβατικά ή μη, πληθώρα παθήσεων του εγκεφάλου, της σπονδυλικής στήλης, του νωτιαίου μυελού και όχι μόνο. Αντιμετωπίζει όλο το φάσμα των νευροχειρουργικών παθήσεων, ενώ είναι εξειδικευμένος στη χειρουργική εγκεφάλου, και πιο συγκεκριμένα στη νευροογκολογία, στη νευροτραυματολογία, στις αγγειακές δυσπλασίες, στη δυναμική εγκεφαλονωτιαίου υγρού, αλλά και στη χειρουργική της σπονδυλικής στήλης με ιδιαίτερη έμφαση στη διαδερμική προσπέλαση, στις ελάχιστα παρεμβατικές τεχνικές στη διαχείριση του σπονδυλικού πόνου, καθώς και στην ενδοσκοπική και λειτουργική νευροχειρουργική (π.χ. θεραπεία επιληψίας και νόσου Πάρκινσον, DBS). Επίσης, λόγω της κλινικής χειρουργικής & ερευνητικής του εμπειρίας, έχει εξειδίκευση στην ογκολογία εγκεφάλου και νωτιαίου μυελού, στις αγγειακές δυσπλασίες εγκεφάλου, όπως είναι τα ανευρύσματα, οι αρτηριοφλεβώδεις δυσπλασίες και τα φλεβικά και σηραγγώδη αγγειώματα. Παράλληλα, εξειδικεύεται στην υδροκεφαλία, στις κακώσεις εγκεφάλου (επισκληρίδια / υποσκληρίδια αιμορραγία, ενδοεγκεφαλικό αιμάτωμα) και σπονδυλικής στήλης. Επιπρόσθετα, ο ιατρός είναι εξειδικευμένος στη νευραλγία τριδύμου, στην παθολογία αυχενικής μοίρας (δισκοκήλη, σπονδύλωση, μυελοπάθεια, ριζοπάθεια) και στην παθολογία οσφυϊκής μοίρας (δισκοκήλη, στένωση σπονδυλικού σωλήνα). Ακόμη, πέραν της μεγάλης εμπειρίας, διαθέτει και άρτια επιστημονική κατάρτιση, αφού έχει συμμετάσχει σε αρκετά διεθνή συνέδρια και σεμινάρια με ομιλίες και δημοσιεύσεις επιστημονικών άρθρων. Τέλος, βασικό μέλημα του ιατρού είναι η παροχή υπηρεσιών σε όλο το φάσμα της νευροχειρουργικής που θέτουν σε προτεραιότητα τις ανάγκες του ασθενή, καθώς και η υπεύθυνη αντιμετώπιση όλων των νευρολογικών διαταραχών και παθήσεων που επηρεάζουν την καθημερινότητά του.

Dr. Papasideris Xristos is a Vascular Surgeon - Angiologist, PhD holder from Democritus University of Thrace, maintaining private clinics in Marousi and Kallithea. He graduated from the Medical School of the University of Rome “La Sapienza” and holds a postgraduate diploma in "Vascular Surgery: Endovascular Techniques." He also completed advanced training at the Vascular Surgery Clinic of Heinrich – Heinle University in Düsseldorf, Germany. He has been a scientific associate at the Vascular Surgery Clinic of the University of Athens, the University General Hospital Attikon, as well as a collaborator and surgeon at private hospitals. During his specialty training, he worked at the Onassis Cardiac Surgery Center, Evangelismos Hospital, Konstantopouleio General Hospital of N. Ionia “Agia Olga,” and the University General Hospital of Alexandroupolis. Additionally, he teaches at the Medical School of the National and Kapodistrian University of Athens as part of the course ‘Vascular Surgery,’ has participated as a speaker in conferences and workshops, and has numerous presentations at international conferences and publications in internationally recognized journals. He is a member of the Hellenic Professional Association of Vascular Surgeons and a board member of the Angiology Society, the Hellenic Vascular Surgery Society, and the Union of EOPYY Physicians (ENI-EOPYY), serving as the General Secretary. Finally, he specializes in the latest minimally invasive endovascular techniques.

Drtoskas Pantelis is a Cardiologist with private practices in Kifisia and Palaio Faliro. He graduated from the Medical School of the University of Athens, specializing in preventive cardiology and cardiac rehabilitation. He completed his specialty training at the First University Cardiology Clinic of Hippocrateio Hospital, gaining experience across the full spectrum of modern cardiology – from emergency care to long-term monitoring of cardiac patients.

As a fellow of the Hellenic Cardiological Foundation and concurrently with the completion of his doctoral thesis, he trained in the United Kingdom (Bexley Cardiac Rehabilitation – Goldie Leigh Hospital), focusing on the prevention of cardiovascular diseases and rehabilitation of patients post-myocardial infarction or cardiac surgery.

He maintains a private practice and responsibly manages all cardiology cases, both preventive and chronic or acute conditions. He provides comprehensive diagnostic testing (cardiac Triplex, Holter monitoring for rhythm and blood pressure, stress testing, preoperative evaluation, etc.) and supportive services based on the principles of precision medicine: genetic testing, stress management, personalized nutrition, and prescribed exercise.

He has participated as an invited speaker at numerous medical conferences and has published scientific articles in reputable international journals, actively contributing to the advancement of contemporary cardiological knowledge.

His goal is to provide high-quality care, grounded in scientific evidence and a compassionate approach – aiming not only for treatment but also for the long-term preservation of cardiovascular health.

Dr. Tsoutsas Ioannis A is a Vascular Surgeon - Angiologist with a private practice in Vrilissia. He completed his medical studies at the Medical School of Rome (La Sapienza - Roma) and additional training in Vascular Ultrasound Imaging as well as Endovascular Surgery at the National and Kapodistrian University of Athens. He has worked as a Resident and Specialist Vascular Surgeon at the Attikon General Hospital of Attica "Sismanoglio" and currently serves as the Scientific Director of the Vascular Surgery Department at the "IASO" group. Furthermore, he possesses extensive experience in General Surgery from the Athens Polyclinic and the Athens General Hospital "Evangelismos," in Vascular Surgery from the Attikon General Hospital "Sismanoglio," and in Thoracic Surgery from the Athens General Hospital Hippocrates. He is a member of the Medical Association of Athens, the Medical Association of Livadia, the British Medical Association (NHS), the Hellenic Vascular Surgery Society (HVS), and the European Society of Vascular Surgeons (ESVS).

Dimopoulos Xristos is the Consultant of the 3rd Vascular Surgery Department at the Athens Medical Center, while also maintaining a private practice as a Vascular Surgeon / Angiologist in Kolonaki and downtown Tripoli. He graduated from the Medical School of the University of Athens and holds a doctoral degree from the Medical School of the University of Athens as well as from the Medical School of the University of Düsseldorf, Germany. He is a certified specialized user of vascular ultrasound and has participated as a speaker at international Vascular Surgery conferences. He specialized in the full spectrum of Vascular Surgery & Angiology at the University Clinic of Vascular & Endovascular Surgery in Düsseldorf, Germany (Universitätsklinik Düsseldorf, Germany). After obtaining his specialty, he underwent further training in Minimally Invasive Endovascular Surgery at the internationally recognized Aorta & Peripheral Artery Disease center at the University Clinic of Hamburg, Germany (Universitäres Herz- und Gefäßzentrum Hamburg, Germany) under the supervision of the distinguished Professor Univ.-Prof. Dr. med. Eike Sebastian Debus.

Athanasiou Minas is a Cardiologist operating a private Cardiology Clinic within the DoctorsPlus medical complex in Nea Erythraia since 2016. He completed his medical studies at the "Alma Mater Studiorum" University of Bologna, Italy, in 2005. Subsequently, he obtained his Cardiology specialty certification in 2016 after successful training at the Cardiology Clinic of the General Hospital "Amalia Fleming," where he gained experience managing numerous acute and chronic cardiovascular cases. Concurrently, he has been certified by the Ministry of Health in performing cardiac Ultrasound - Triplex examinations. During his training, he specialized in the execution and interpretation of diagnostic tests such as exercise stress tests, Holter monitoring, and stress tests at the Nuclear Medicine Department of NIMTS. He trained in the evaluation of arrhythmia events at the Electrophysiology Department of the General Hospital "Alexandra" and in interventional treatment of acute coronary syndromes at the Hemodynamics Department of the General Hospital "Sismanoglio." Additionally, he has significant experience from the Cardiothoracic Surgery Department of the General Hospital of Athens "Evangelismos." His academic contributions include presentations at Scientific Conferences, and he is an active member of the Medical Association of Athens and the European Society of Cardiology. Finally, at his private practice, he has performed a substantial number (over 2000) of cardiac Ultrasound - Triplex examinations and exercise stress tests, while regularly monitoring a large number of cardiology patients in the wider area of the Municipality of Kifisia.

Ο Ιατρός Κωνσταντίνος Θεμιστοκλής είναι Νευροχειρουργός και διατηρεί ιδιωτικό ιατρείο στους Αμπελόκηπους. Ειδικεύτηκε στην Νευροχειρουργική (2018) μετά από την εκπαίδευση στην Α’ Πανεπιστημιακή Νευροχειρουργική Κλινική του Γενικού Νοσοκομείου Αθηνών «Ο Ευαγγελισμός» (2013-2019). Εκεί απέκτησε ευρεία εμπειρία σε όλο το φάσμα της νευροχειρουργικής, καθώς και στην αντιμετώπιση της σπαστικότητας και του χρόνιου πόνου. Επίσης, έχει εργαστεί στην Νευροχειρουργική Κλινική του  Νοσοκομείου Royal Preston Hospital (2013) του Ηνωμένου Βασιλείου σε θέση Neurosurgical Fellow (Junior level) και μετεκπαιδευτεί στις Νευροχειρουργικές Κλινικές των Νοσοκομείων St George’s Hospital (2019-2020) και Leeds General Infirmary (2020-2021), αποκτώντας εκτεταμένη εμπειρία στην νευροχειρουργική ογκολογία, στις επεμβάσεις βάσης κρανίου, στην αγγειακή νευροχειρουργική και στην χειρουργική σπονδυλικής στήλης.

Έπειτα εργάστηκε ως Επικουρικός Επιμελητής Νευροχειρουργικής στο Γενικό Νοσοκομείο Αθηνών “Κοργιαλένειο-Μπενάκειο-ΕΕΣ” (2021-2024). Από το 2024 έως και σήμερα διατελεί σε θέση Επιμελητή Β’ του Ε.Σ.Υ., στο Γενικό Νοσοκομείο Πειραιά “Τζάνειο”.

Επίσης κατέχει τίτλο μεταπτυχιακών σπουδών μετά την ολοκλήρωση του προγράμματος “Μεθοδολογία Ιατρικής Έρευνας, Βιοστατιστική και Κλινική Βιοπληροφορική” του Τμήματος Ιατρικής του Πανεπιστήμιο Θεσσαλίας, καθώς και πιστοποιητικό εξειδικευμένης επιμόρφωσης ως Σύμβουλος Ιατρικής Δεοντολογίας και Βιοηθικής από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών. Από το 2023 είναι Διδάκτωρ  του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών, αφού ολοκλήρωσε την διδακτορική του έρευνα μελετώντας τον Νευροπροστατευτικό ρόλο της πρωτεΐνης Hamartin (TSC-1) κατά την εγκεφαλική ισχαιμία. Τα πειράματα διενεργήθηκαν στο Ίδρυμα Ιατροβιολογικών Ερευνών της Ακαδημίας Αθηνών, όπου και παραμένει μεταδιδακτορικός ερευνητής.

Έχοντας εκπαιδευτεί και εργαστεί σε μεγάλα νοσοκομειακά ιδρύματα του εξωτερικού και νοσοκομεία κορμού της Αττικής, διαθέτει μεγάλη εμπειρία για την αξιόπιστη αντιμετώπιση νευροχειρουργικών παθήσεων, παθήσεων σπονδυλικής στήλης και του χρόνιου πόνου.

Dr. Syros Periklis is a Cardiologist - Arrhythmologist - Interventional Electrophysiologist and maintains a private practice in Kolonaki. Concurrently, he serves as a Military Physician with the position of Consultant in the Cardiology Department at the Hellenic Naval Hospital of Athens and is a Scientific Associate at the Euroclinic Athens. He studied Medicine at Aristotle University of Thessaloniki and specialized in Cardiology at the General Hospital of Athens "Hippokration". He has completed a Fellowship in Electrophysiology - Arrhythmology in Turin, Italy, and is specialized in the interventional treatment of arrhythmias, such as atrial fibrillation ablation and others. Additionally, he holds a European Echocardiography Certification from the European Society of Cardiology. He possesses extensive experience and training, with a specialization in electrophysiology, echocardiography, and arterial hypertension.

Dr. Konstantopoulos Theofanis MD, MSc, PhD is a Vascular Surgeon - Angiologist, Doctor of the Medical School of Athens, with a private practice in Mavili Square. He holds a Medical Degree from the Medical School of Aristotle University of Thessaloniki and the Military Officer School of Corps, and he received further training at Madigan Army Medical Centre in the United States of America. He specialized in General Surgery at the First Surgical Clinic of the 401 General Military Hospital of Athens and the First Surgical Clinic of the General Hospital of Athens "Sismanoglio." Additionally, he specialized in Vascular Surgery at the Vascular Surgery Clinic of the General Hospital of Athens "Sismanoglio" and completed a postgraduate program in Vascular Surgery and Endovascular Techniques at the Medical School of the National and Kapodistrian University of Athens. He is conducting his doctoral thesis on the "Study of angiogenesis factors during intermittent application of percutaneous electrical stimulation in patients with peripheral artery disease" at the Medical School of the National and Kapodistrian University of Athens. He is a Consultant at the Vascular Surgery Department of the 417 Nursing Foundation of the Army Pension Fund and has served as a Scientific Collaborator at the General Hospital of Rhodes. Finally, Dr. Konstantopoulos actively participates in numerous conferences and seminars in Greece and abroad as part of his continuous professional development.

Barbaressos Emmanouil MD, MSc, PhDc is a Vascular Surgeon with extensive experience in both traditional vascular and modern endovascular surgery. He maintains a private practice within the Top Meds Private Multiclinic in Nea Smyrni. He is a graduate of the University of Patras and completed his training at the General Hospital of Athens "G. Gennimatas," where he subsequently worked as an assistant vascular surgeon. He received further training in the United Kingdom at St. George’s University Hospital, covering trauma and aortic disease centers in Southwest London. As part of his concurrent teaching responsibilities, he was awarded the title of unpaid Clinical Lecturer by St George’s University of London. Upon returning to Greece, he worked as an assistant vascular surgeon at the University General Hospital of Patras. He is a PhD candidate at the University of Patras and holds two Master’s degrees. He possesses a license to perform Vascular Ultrasound (Triplex) and continues his scientific work through participation in clinical studies, the authorship of scientific articles, and presentations at vascular surgery conferences.

Ο Ρουκάς Κρίτων είναι Καρδιολόγος και διατηρεί το ιατρείο του στους Αμπελόκηπους. Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών και έχει ολοκληρώσει διδακτορική διατριβή (PhD) στην Ιατρική Σχολή του ίδιου Πανεπιστημίου, με βαθμό Άριστα. Έχει εξειδικευτεί στην Επεμβατική Καρδιολογία, έχοντας πραγματοποιήσει εκπαίδευση στο Guy’s & St Thomas’s Hospital στο Λονδίνο, καθώς και σε νοσοκομειακά ιδρύματα της Ελλάδας, μεταξύ των οποίων ο ΓΝΑ «Ο Ευαγγελισμός» και το ΠΓΝΑ «Κοργιαλένειο-Μπενάκειο» ΕΕΣ.

Παράλληλα, έχει εκπαιδευτεί στις σύγχρονες τεχνικές υπερηχοκαρδιογραφίας, όπως το stress echo, το διοισοφάγειο υπερηχογράφημα και το TDI, ενώ διαθέτει πιστοποίηση στην καρδιακή βηματοδότηση και στους εμφυτεύσιμους καρδιακούς απινιδωτές από την European Heart Rhythm Association (EHRA). Έχει επίσης λάβει πιστοποίηση στην Επεμβατική Καρδιολογία και στις Δομικές Καρδιοπάθειες, με εξειδίκευση στη διαδερμική εμφύτευση αορτικών βαλβίδων (TAVI).

Κατά τη διάρκεια της επαγγελματικής του πορείας έχει εργαστεί σε νοσοκομειακές μονάδες της Ελλάδας, έχοντας αποκτήσει εμπειρία στην Καρδιολογία και την Εντατικολογία. Έχει διατελέσει Επιμελητής Β΄ στη Γενική Μονάδα Εντατικής Θεραπείας του ΠΓΝΕ «Θριάσιο», καθώς και Επιμελητής Β΄ και Α΄ στο ΠΓΝ «Αμαλία Φλέμινγκ». Έχει επίσης αναλάβει καθήκοντα Διευθυντή Επεμβατικού Καρδιολόγου στον ΓΝΑ «Ο Ευαγγελισμός», όπου έχει δραστηριοποιηθεί στον τομέα της Επεμβατικής Καρδιολογίας.

Georgios Xatzantonis is a vascular surgeon-endovascular surgeon. He trained at one of the largest centers for diabetic foot management and vascular access (fistula) in Germany and specializes in innovative endovascular techniques, having performed over 2,000 related procedures on hemodialysis patients in Germany and Greece. He is the head of the Vascular Access Center at Errikos Dunant Hospital, as well as the head of the Vascular Access Department at the 2nd Vascular Surgery Clinic, National and Kapodistrian University of Athens, at GNA “Laiko” Hospital. Mr. Xatzantonis is the pioneer behind the establishment of the first vascular access center in Greece, recognized by the international Vascular Access Society as a training center for vascular access surgery for hemodialysis patients. Finally, the physician is a scientific collaborator at Errikos Dunant Hospital, Mediterraneo Hospital, and GNA “Laiko” Hospital.

Amartolos Panagiotis is a Cardiologist and Doctor of Medicine from the Medical School of the University of Athens with a private practice in Chaidari. He studied at the Medical School of the University of Patras and specialized at the 1st Cardiology Clinic of the General Hospital of Athens "Evangelismos." He is certified to perform echocardiograms in cardiology and has many years of experience. He has worked in clinics while simultaneously serving as Head of Medical Services for shipping companies, where he introduced digital remote patient monitoring methods on ships (telemedicine). Additionally, he has an extensive research and publication record, reflected in his articles in both international and Greek scientific journals, as well as numerous presentations. Finally, he participates as a speaker at conferences and has made significant social contributions.