Orthopaedic - Orthopaedic Surgeons for Spondylolisthesis in Athens

Papaxristos Athanasios is an Orthopedic Surgeon, Director of the 5th Orthopedic Clinic at Euroclinic Athens, who maintains a private practice in the Ampelokipi area. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and, after completing his specialty training at the Attikon General Hospital KAT, specialized in the surgical management of sports injuries and degenerative hip and knee disorders, completing a fellowship program at the University Hospital of Leeds in the United Kingdom, recognized by the Royal College of Surgeons (RCS). He has developed a particular scientific interest in the management of post-traumatic and juvenile arthritis, having performed numerous surgeries both during his four-year fellowship training in hospitals in the United Kingdom and after his return to Greece.

Mandals Konstantinos is an Orthopedic Surgeon with a private practice in Kaisariani. He graduated from the Medical School of the National and Kapodistrian University of Athens and completed his specialty training in the Orthopedic Clinic of the General Hospital of Athens "G. Gennimatas," at the General Children's Hospital "P. & A. Kyriakou," and at the Special Anti-Cancer Hospital of Piraeus "Metaxa." During his specialty training, he participated in 1120 surgeries, either as the primary or assistant surgeon, dealing with fractures and dislocations as well as chronic orthopedic cases, such as knee and hip arthroplasties, knee and shoulder arthroscopies, spinal fusions, and discectomies. To date, he has numerous publications in Greek and international conferences, actively participating as a speaker, maintaining excellent training, deep knowledge, and continuous professional development in his field. Finally, he is a member of the Athens Medical Association, the AO Foundation, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Osteoporosis Foundation.

Ο Νικόλαος Σαλαμαλίκης είναι Ορθοπεδικός Χειρουργός Σπονδυλικής Στήλης και σκοπεύει στην εξατομικευμένη αντιμετώπιση παθήσεων και παραμορφώσεων της σπονδυλικής στήλης με ατραυματικές τεχνικές, κατέχοντας ήδη μεγάλη σειρά αποσυμπιέσεων σπονδυλικής στήλης με ενδοσκοπική τεχνική. Το 2024 ολοκλήρωσε με επιτυχία, Χειρουργικό Fellowship, με αντικείμενο τη Χειρουργική Σπονδυλικής Στήλης ελάχιστης επεμβατικότητας (Minimal Invasive Spine Surgery), σε αναγνωρισμένη Κλινική Σπονδυλικής Στήλης, από το παγκόσμιο εκπαιδευτικό δίκτυο Ορθοπεδικής (ΑΟ), στο Okayama Rosai Hospital της Ιαπωνίας, υπό τον Καθηγητή Dr. Masato Tanaka. Ο Ιατρός ειδικεύτηκε και εξειδικεύτηκε στην Γερμανία, αποκτώντας τον τίτλο του Ειδικού Χειρουργού Ορθοπεδικού, κατόπιν εξετάσεων, από τον Ιατρικό Σύλλογο του κρατιδίου του Βρανδεμβούργου (2020).Μετά τη λήψη της ειδικότητάς του, διετέλεσε Επιμελητής Α' Ορθοπεδικής και Τραυματιολογίας σε αναγνωρισμένο κέντρο Τραύματος της Γερμανίας (Sana Klinikum Niederlausitz). Μετά από πολυετή εμπειρία σε πρωτοπόρα Ορθοπεδικά Κέντρα και κέντρα Tραύματος της Γερμανίας, ο Ιατρός υπηρέτησε, ως συνεργάτης, στην Κλινική Σκολίωσης και Σπονδυλικής Στήλης του Γενικού Νοσοκομείου "ΚΑΤ" για ένα έτος (2022). Διαθέτει πληθώρα εμπειρίας και εξειδικεύεται στις χειρουργικές τεχνικές ελάχιστης επεμβατικότητας των παθήσεων και παραμορφώσεων της Σπονδυλικής Στήλης, στην ενδοσκοπική αποσυμπίεση των παθήσεων του Σπονδυλικού καναλιού, στις αρθροπλαστικές μεγάλων αρθρώσεων με πρωτόκολλα ταχείας μετεγχειρητικής αποκατάστασης και στην αρθροσκοπική αποκατάσταση αθλητικών κακώσεων. Το 2022, κατόπιν εξετάσεων, έγινε μέλος της Ευρωπαϊκής Εταιρείας Ορθοπεδικών Χειρουργών ( FEBOT). Ο Σαλαμαλίκης Νικόλαος διατηρεί ιδιωτικό Ιατρείο στους Αμπελοκήπους και στο Περιστέρι, ενώ παράλληλα διατελεί Επιμελητής στο 251 Γενικό Νοσοκομείο της Αεροπορίας.Χειρουργεί ιδιωτικά στο Νοσοκομείο Υγεία, στο Νοσοκομείο Ερρίκος Ντυνάν.Είναι απόφοιτος της Στρατιωτικής Σχολής Αξιωματικών Σωμάτων και της Ιατρικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης (2009).

Flevarakis Georgios is an Orthopedic Surgeon and maintains private practices in Voula, Cholargos within Metropolitan General, and in Neos Kosmos within Athenian Lab & Medicine. He graduated from the Medical School of the University of Patras, where he was admitted following nationwide examinations. His initial exposure to Orthopedic specialization was at the Orthopedic Clinic of the Naval Hospital of Athens (2006-2008). From 2008 to 2011, he served in the Orthopedic Oncology Department of the Anticancer-Oncology Hospital "Agios Savvas". In 2011, he continued his specialization in the Shoulder Surgery Department of the General Hospital Asklipieio Voula. In 2014, after completing his specialization, he obtained the title of Orthopedic Surgeon following examinations. From 2014 to 2016, he held a salaried position (Clinical Shoulder and Elbow Fellow) in the Shoulder and Elbow Surgery Department of the University Hospital of Liverpool, one of the largest referral centers in the United Kingdom. Since returning to Greece in 2016, he maintains his private practice in Voula and also works at the private hospital Metropolitan General as a consultant in the 3rd Orthopedic Clinic - Minimally Invasive Surgery.

Pentazos Panagiotis - Nektarios is an Orthopedic Surgeon who maintains a private practice in Kolonaki. He graduated from the Medical School of the University of Timișoara in Romania and specialized in Pediatric Orthopedics at the General Children’s Hospital "Panagiotis & Aglaia Kyriakou" and in Vascular Surgery at the General Hospital of Athens "G. Gennimatas." Additionally, he specialized in Plastic Surgery at the Attica General Hospital KAT, Orthopedics at the General Hospital "Asklipieio" Voula, and General Surgery at the General Hospital of Pyrgos "Andreas Papandreou." Since 2018, Dr. Pentazos has been a Scientific Collaborator at the Osteoporosis Clinic of the General Hospital "Asklipieio" Voula. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Osteoporosis Foundation.

Dr. Sinnis Gerasimos is an Orthopedic Surgeon - Traumatologist who has maintained a private practice in Ampelokipi since October 2014. He holds a medical degree from the University of Bologna in Italy. He specialized in Orthopedic Surgery and Traumatology at the General Hospital of Athens "Evangelismos," followed by training in the Microsurgery and Hand Department of the General Hospital of Attica KAT, and finally at the 2nd Orthopedic Clinic of the Children's General Hospital "P. & A. Kyriakou." For two years (05/2012 - 04/2014), he completed paid postgraduate training in hip and knee reconstructive surgery in Bologna, Italy, at the private clinic Casa di Cura "Villa Erbosa" (San Donato Hospital Group), in the Clinic for Degenerative and Dysplastic Hip Diseases, under the supervision of Professor Roberto Binazzi. From 02/2022 to 10/2023, he served as a physician for the football team of P.A.E. Panathinaikos, while from 09/2015 to 10/2019 he was head of the medical department of the P.A.E. Panathinaikos Academy, gaining significant experience with sports injuries in children and adults. He holds a postgraduate degree titled "Metabolic Bone Diseases" from the National and Kapodistrian University of Athens and is a final-year student in the postgraduate program "Exercise and Health" at the same institution.

Dimitrios Kaklamanis is an Orthopedic Surgeon with private practices in Galatsi and Kolonaki. He is a PhD candidate at the National and Kapodistrian University of Athens and holds a degree from the Medical School of the same university. He completed his specialization in General Surgery at the Vascular Surgery Clinic of the Athens Prefectural General Hospital "Elpis" and in Orthopedic Surgery at the General Hospital of Athens "Laiko". With his experience and expertise, he is capable of diagnosing and managing common orthopedic problems encountered in daily life as well as treating any related conditions. Additionally, he participates in Greek and European conferences and is a member of the Athens Medical Association, the Hellenic Society for the Study of Bone Metabolism, and the Hellenic Society of Orthopedic Surgery and Traumatology.

Masount Mamoun is an Orthopedic Surgeon with private practices in Ambelokipi (Gkyzi area) and Nafplio (Head of the Orthopedic Department at IASIS Polyclinic - Argolida).

He is a graduate of the Medical School of Aristotle University of Thessaloniki and holds a postgraduate diploma in metabolic bone diseases from the National and Kapodistrian University of Athens.

He has obtained a specialty title in Orthopedic Surgery and Traumatology from the 3rd University Orthopedic Clinic of the General Hospital of Attica KAT. He is specialized in arthroplasty, arthroscopy, traumatology, sports injuries, and surgery of major joints, as well as in osteoporosis, osteoarthritis, and fracture healing.

In his private clinic, he manages conditions across the entire spectrum of orthopedics, with a special interest and experience in pediatric orthopedics.

Additionally, he serves as a Scientific Collaborator and surgeon at Metropolitan Hospital, Medical Center Athens Group, and Hospitality Clinic Athens.

Finally, through his participation in numerous seminars, workshops, and conferences, he continually updates himself on advancements in his field to provide specialized services tailored to his patients' individual needs. He is also a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the Hellenic Osteoporosis Foundation.

Ο Ταμβίσκος Αντώνιος είναι Ορθοπαιδικός Χειρουργός με περισσότερα από 15 χρόνια συνεχούς κλινικής εμπειρίας και ιδιωτικής άσκησης της Ιατρικής, διατηρώντας ιδιωτικό ορθοπαιδικό ιατρείο στoυς Αμπελόκηπους από το 2008. Έχει εκπαιδευτεί και εργαστεί σε κορυφαία νοσοκομεία της Ελλάδας και της Γαλλίας, αποκτώντας σημαντική εμπειρία στην αντιμετώπιση όλου του φάσματος των ορθοπαιδικών παθήσεων και κακώσεων. Εξειδικεύεται στη χειρουργική του άνω άκρου, στις ολικές αρθροπλαστικές ισχίου και γόνατος με τη χρήση του ρομποτικού συστήματος MAKO, καθώς και στη θεραπεία αθλητικών κακώσεων, καταγμάτων και εκφυλιστικών παθήσεων των αρθρώσεων.Αποφοίτησε από την Ιατρική Σχολή του Δημοκριτείου Πανεπιστημίου Θράκης το 1996 με βαθμό «Λίαν Καλώς» και απέκτησε τον τίτλο της ειδικότητας Ορθοπαιδικής το 2005. Στο πλαίσιο της μετεκπαίδευσής του εξειδικεύτηκε στη Χειρουργική του Άνω Άκρου στο Πανεπιστήμιο Pierre et Marie Curie στο Παρίσι (DIU), ενώ εκπαιδεύτηκε σε αναγνωρισμένα πανεπιστημιακά κέντρα της Γαλλίας, όπως το Πανεπιστημιακό Νοσοκομείο Antoine Béclère, το Institut de la Main και το Πανεπιστημιακό Νοσοκομείο CHU Nantes.Η επαγγελματική του πορεία περιλαμβάνει τη θέση του Επιμελητή Ορθοπαιδικού στο Ιατρικό Κέντρο Αθηνών, καθώς και συνεργασίες με το Νοσοκομείο Metropolitan, το Mediterraneo και το Ερρίκος Ντυνάν. Παράλληλα, διαθέτει πιστοποίηση στις ρομποτικά υποβοηθούμενες ολικές αρθροπλαστικές ισχίου και γόνατος με το σύστημα MAKO, εφαρμόζοντας σύγχρονες και ελάχιστα επεμβατικές τεχνικές που προσφέρουν μεγαλύτερη ακρίβεια, ταχύτερη αποκατάσταση και καλύτερα λειτουργικά αποτελέσματα για τους ασθενείς.Η συνεχής επιστημονική εξέλιξη αποτελεί βασική αρχή της επαγγελματικής του πορείας. Έχει συμμετάσχει σε πλήθος εκπαιδευτικών προγραμμάτων και διεθνών σεμιναρίων, μεταξύ των οποίων το Advanced Trauma Life Support (ATLS), η Επείγουσα Προνοσοκομειακή Ιατρική του Ε.Κ.Α.Β., εκπαιδεύσεις στη μικροχειρουργική, στην εξωτερική οστεοσύνθεση, στη χειρουργική ποδοκνημικής και άκρου ποδός, στη μέθοδο Ilizarov, καθώς και σε ευρωπαϊκά εκπαιδευτικά προγράμματα της EFORT.

Tolis Konstantinos MD, MSc, PhDc is an Orthopedic Surgeon with a private practice in Kolonaki. He graduated from the Medical School of the National and Kapodistrian University of Athens and is a PhD candidate at the same institution. Additionally, he holds a postgraduate degree in "Metabolic Bone Diseases" with a thesis on the "Pathophysiology of Bone Pain" from the Medical School of the National and Kapodistrian University of Athens. He initially specialized in General Surgery at the General Hospital of Pyrgos "Andreas Papandreou," in Pediatric Orthopedics at the First Pediatric Orthopedic Clinic of the General Children's Hospital of Athens "P. & A. Kyriakou," and finally in General Orthopedics at the First University Orthopedic Clinic of the University General Hospital "Attikon." From 2014 to 2020, he was an Academic Fellow at the Laboratory for Research of Musculoskeletal Disorders "Th. Garofalidis," focusing on "Microsurgery" at the General Hospital of Attica KAT. He is the Deputy Director of the 8th Orthopedic Clinic at Metropolitan General and the Scientific Director of the Upper Limb - Microsurgery Clinic. Concurrently, he collaborates with several clinics within Attica. He has participated in numerous conferences in Greece and abroad, presenting poster presentations, oral communications, and lectures. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery and Traumatology, the Hellenic Osteoporosis Foundation, and the Hellenic Society for Hand Surgery.

Georgios Xristodoulakis is an Orthopedic Surgeon and Director of the Orthopedic Department at the private clinic "Piraikos Therapeutirio." He sees his patients in Votanikos, Piraeus, and Kypseli. He graduated with honors from the Medical School and holds an Advanced Trauma Life Support (ATLS) certification. He is a Scientific Associate at the private clinic Iatriko Psychikou and the private hospital "Mitera." Additionally, he has worked at major hospitals in Athens, including Asklipieio Voula, the Military Fund Nursing Institution, the General Children's Hospital of Athens "Panagiotis and Aglaia Kyriakou," the General Thoracic Diseases Hospital of Athens "Sotiria," and the Plastic Surgery Clinic of the 6th IKA Therapeutic Center "G. Gennimatas." He has over 70 presentations at accredited international and Greek conferences and more than 100 conference participations, ensuring that he remains informed about all current advancements in modern Orthopedics. Finally, Dr. Xristodoulakis is a member of the Athens Medical Association and the Hellenic Osteoporosis Foundation.

Ο Dr. Ανδρέας Αρτινόπουλος είναι Ορθοπαιδικός Χειρουργός, διατηρεί ιδιωτικό ιατρείο στην Αθήνα και στην Νέα Ερυθραία και είναι συνεργάτης του Νοσοκομείου Ερρίκος Ντυνάν. Εκπαιδεύτηκε στην 4η Ορθοπαιδική Κλινική του Νοσοκομείου ΚΑΤ και στο νοσοκομείο Παίδων "Η Αγία Σοφία", αποκτώντας ολοκληρωμένη εμπειρία σε ολόκληρο το φάσμα της ορθοπαιδικής χειρουργικής και τραυματολογίας ενηλίκων και Παίδων.Πραγματοποίησε μετεκπαίδευση (fellowship) στο Hôpital de La Tour στη Γενεύη, Ελβετία, στη Χειρουργική Ισχίου καθώς και στη Χειρουργική Άκρου Ποδός.Διαθέτει διεθνείς δημοσιεύσεις, συμμετοχές σε συνέδρια και ερευνητικά προγράμματα. Είναι ενεργό μέλος του Ιατρικού Συλλόγου Αθηνών (ΙΣΑ) και της Ελληνικής Εταιρείας Χειρουργικής Ορθοπαιδικής και Τραυματολογίας (ΕΕΧΟΤ).Στόχος του είναι η παροχή σύγχρονης, εξατομικευμένης ορθοπαιδικής φροντίδας βασισμένης στις τελευταίες επιστημονικές κατευθυντήριες οδηγίες.

Aleksiou Spyros is an Orthopedic Surgeon with a private practice in Ampelokipoi. He graduated from the Medical School of Debrecen University and specialized in Orthopedic Surgery at the General Hospital of Ioannina "Hatzikosta". He has extensive experience in both the public and private sectors, having served as a consultant at "Hatzikosta" Hospital and since 2018 maintaining a private practice in Ioannina, offering a specialized program of surgical procedures and advanced therapies. His professional activity focuses on hip and knee arthroplasties (primary and revision surgeries), sports injuries, deformities of the forefoot, and minimally invasive endoscopic spinal techniques. Additionally, he applies non-radiological methods for the evaluation of spinal deformities and provides modern biological treatments such as PRP and stem cell injections for tendinopathies and osteoarthritis. He has attended numerous postgraduate seminars and workshops in Greece and abroad (Germany, France, Italy, Belgium, Poland), and is a certified user of robotic and percutaneous techniques, including the OrthoAlign, Spine Tip, and Pecaplasty systems. He has presented scientific papers at conferences in Greece and Europe and maintains a consistent presence in the advancement of the field through continuous education with an emphasis on patient-centered care.

Ioannis Mamais is an Orthopedic Surgeon with a private practice in Ano Patissia. He holds a medical degree from the University of Belgrade and specialized in Orthopedics. He has extensive and significant clinical experience, having worked as an Orthopedic Surgeon – Consultant in the Reconstructive Surgery Clinic at the Athens Medical Group (P. Faliro Clinic), at the General Hospital "Red Cross," and at the Pediatric Hospital "P. & A. Kyriakou." Furthermore, he specializes in arthroscopy, traumatology, and hip and knee arthroplasty.

Georgios Xatzimarkakis MD, MSc is an Orthopedic Surgeon with private practices in Patras and Ilisia. He holds a medical degree from the University of Florence, Italy, and specialized in General Surgery at the General Hospital for Thoracic Diseases “Sotiria” and in Orthopedic Surgery and Traumatology at the 1st Orthopedic Clinic of the General Hospital of Athens KAT. He subsequently completed a Clinical Fellowship in Orthopaedics at Lewisham University Hospital of the National Health Service Trust in London. Additionally, he pursued a postgraduate program focused on Metabolic Bone Diseases - Osteoporosis at the Medical School of the National and Kapodistrian University of Athens. He is a scientific collaborator with the Athens Medical Group, the General Clinic of Olympio Therapeutirion, Mediterraneo Boutique Hospital, Henry Durant Hospital Center, and serves as the scientific director at the Medical Polyclinic of Patras. Furthermore, he has published articles and research papers both in Greece and internationally.

Karaiskos Ilias is an Orthopedic Surgeon and operates a private practice in Pangrati. He has received advanced training at Royal Liverpool and Broadgreen University Hospitals in Liverpool, United Kingdom. To date, he holds the position of Director at the Orthopedic Clinic of the 251st General Air Force Hospital. In his fully equipped practice, he consistently provides patients with a wide range of orthopedic services.

Papadakis Mixalis is an Orthopedic Surgeon with a private practice in Koukaki. He graduated from the Medical School of Pilsen, Charles University of Prague, and specialized in Orthopedics at the 2nd Orthopedic Clinic of the National and Kapodistrian University of Athens. He completed his doctoral thesis at the Medical School of the University of Crete and is certified in musculoskeletal ultrasound by the European League Against Rheumatism. He serves as a physician for the Gymnastic Club Apollon Smyrnis and the Sporting Athletic Club and has worked as an academic visitor in the Spine Department at the Hospital for Special Surgery in New York. Furthermore, he has participated in 51 international and Greek conferences, seminars, and workshops, delivering 48 oral presentations and 11 posters, and has published 13 foreign language and 4 Greek articles in reputable scientific journals.

Ο Ευσταθίου Ανδρέας MSc, MBA, PhD, FHCOS είναι Ορθοπαιδικός Χειρουργός και διατηρεί ιατρεία στην Αθήνα και στη Ναύπακτο. Αποφοίτησε από την Ιατρική Σχολή του Πανεπιστημίου "Victor Babes" της Ρουμανίας και στη συνέχεια ειδικεύτηκε στην Ορθοπαιδική και Τραυματολογία στην Β΄ Ορθοπαιδική Πανεπιστημιακή Κλινική στο Κωνσταντοπούλειο Γενικό Νοσοκομείο Νέας Ιωνίας, όπου απέκτησε σημαντική εμπειρία στη διάγνωση και αντιμετώπιση ευρέοu φάσματος Ορθοπαιδικών παθήσεων και τραυματισμών. Κατά τη διάρκεια της εκπαίδευσής του, εκπαιδεύτηκε σε εξειδικευμένα τμήματα της Παιδοχειρουργικής, της Παιδοορθοπαιδικής, της Χειρουργικής Χεριού και της Μικροχειρουργικής, εμπλουτίζοντας την εμπειρία του σε σύνθετες παθήσεις και εξειδικευμένες χειρουργικές τεχνικές.

Παράλληλα, συνέχισε την ακαδημαϊκή και επιστημονική του εκπαίδευση με μεταπτυχιακές σπουδές στη Διεθνή Ιατρική και Διαχείριση Κρίσεων Υγείας, στη Διοίκηση Μονάδων Υγείας, στη Διαχείριση Κρίσεων στον τομέα της Υγείας, καθώς και MBA στη Διοίκηση Υπηρεσιών Υγείας. Ολοκλήρωσε επίσης τη διδακτορική του διατριβή στην Ιατρική Σχολή Αθηνών, διατηρώντας ενεργή συμμετοχή στην επιστημονική έρευνα, σε συνέδρια και σε δημοσιεύσεις.

Σήμερα υπηρετεί ως Επιστημονικός Συνεργάτης στην Κλινική Ρομποτικής Χειρουργικής Γόνατος και Ισχίου του Metropolitan General Hospital, ενώ έχει υπηρετήσει και ως Επικουρικός Χειρουργός Ορθοπαιδικός στην Πρωτοβάθμια Φροντίδα Υγείας. Το ιδιαίτερο ενδιαφέρον του εστιάζεται στη χειρουργική γόνατος και ισχίου, στην τραυματολογία και στις σύγχρονες χειρουργικές τεχνικές, με στόχο τη βέλτιστη λειτουργική αποκατάσταση και τη γρήγορη επάνοδο των ασθενών στην καθημερινότητά τους.

Πιστεύει ότι η σχέση εμπιστοσύνης μεταξύ ιατρού και ασθενούς αποτελεί βασικό στοιχείο της θεραπευτικής διαδικασίας. Για τον λόγο αυτό δίνει ιδιαίτερη έμφαση στη σωστή ενημέρωση, στην εξατομικευμένη και ολιστική αντιμετώπιση με σκοπό την επιλογή της καταλληλότερης θεραπείας για κάθε ασθενή.

Georgoudis Mixalis is an Orthopedic Surgeon – Spine Surgeon and maintains private practices in Chalkida, as well as within Metropolitan Hospital in Faliro.

He graduated from the Medical Department of Democritus University of Thrace. He has worked as an Orthopedic Surgeon in the 2nd Orthopedic Clinic and as a Resident Orthopedic Surgeon in the Scoliosis and Spine Department and in the Pediatric Orthopedics Clinic of the G.N.A KAT General Hospital. He is specialized in hip and knee arthroplasty, arthroscopic surgery, and spinal surgery.

He serves as an External Associate of Metropolitan Hospital in Faliro and the Athens Medical Center – Psychiko Clinic. He has served as Director of the 2nd Orthopedic Department at Euroclinic Athens, as well as Consultant of the Minimally Invasive Spine Surgery Department (MISS) at the Athens Medical Center. Additionally, as a resident, he worked at the General Prefectural Hospital of Chalkida and the General Hospital of Chios "Skylitseio".

He has participated in numerous national and international scientific conferences and seminars, with his scientific work published and presented in medical journals and conferences respectively. Particularly noteworthy is the Travel Fellowship he received from the E.E.X.O.T. for his participation in the FORTE Summer School held in 2018 in Milan.

Finally, the doctor is a member of the Medical Associations of Athens and Evia, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Osteoporosis Foundation.

Dr. Nikolaos Tzinieris, MD, MSc, FMH, is an Orthopedic Surgeon who maintains private practices at Mavili Square and in Peristeri. He is the Director of the 2nd ORTHOPEDIC CLINIC - Upper Limb, Hand, and Microsurgery Clinic at the "Errikos Dynan" Hospital Center. He graduated from the Medical School of the National and Kapodistrian University of Athens. During his specialty training, he was also trained at the University Clinic of Hôpital Orthopédique in Lausanne and subsequently was appointed as Assistant Consultant B’ at the Upper Limb-Hand and Microsurgery Clinic of KAT Hospital. He completed his subspecialty training in Upper Limb and Spine Surgery at the University Hospital of Lausanne and served as Consultant at the University Hand and Microsurgery Surgical Clinic Longeraie in Lausanne and at the CH8 Clinic in Geneva, while simultaneously working at major private medical centers in French-speaking Switzerland. Upon returning to Greece, he collaborated with his mentor, N. Gerostathopoulos, and together they established the 2nd Orthopedic Clinic of Errikos Dynan Hospital, assembling an exceptionally esteemed team of experienced and accomplished associates. To this day, he continues to collaborate with surgical centers in Switzerland. Throughout his career, he has delivered numerous lectures and presentations at Greek and international conferences and serves as an instructor in postgraduate training seminars. He also holds a Master's degree, has an extensive number of publications, and is a member of the Swiss Society of Orthopedic Surgeons, the Swiss Medical Association, the American Association for Hand Surgery (AAHS), and the American Spine Surgery Society.