Orthopaedic - Orthopaedic Surgeons including treatment for children under 12 years near Nea Chalkidona

Igglezos Nikolaos is an Orthopedic Surgeon, graduate of the Medical School of Comenius University of Bratislava, and in 2024 he graduated from the Master's Program (MSc) of the National and Kapodistrian University of Athens, specializing in Metabolic Bone Diseases. He maintains an active private collaboration with Metropolitan Hospital, where he also serves as an Attending Physician. Previously, he has worked in the Third Orthopedic Clinic of Athens General Hospital KAT, in the Microsurgery and Hand Surgery Department of KAT, as well as in the Sports Injuries Department of the same hospital, gaining extensive experience in trauma and total knee and hip arthroplasty. He has also worked in the Second Orthopedic Clinic of "Agia Sofia" Children's Hospital as an orthopedic surgeon, at Livadeia General Hospital, and earlier served as a surgical resident in General Surgery at the same hospital. With experience in contemporary orthopedics and an active scientific interest in metabolic bone diseases, he undertakes cases and provides individualized patient care. With a focus on sports injuries and reconstructive orthopedic surgery, he manages conservative treatment using biological therapies with platelet-rich plasma (PRP), as well as surgical repair when conservative treatment is not indicated. Finally, he accepts emergency cases on weekdays and holidays by telephone appointment.

Athanasopoulos Konstantinos MD, MSc is an Orthopedic Surgeon maintaining private practices in Piraeus and Galata Troizinia, while also collaborating with the Athens Medical Group (Peristeri clinic) and the sports injury center at Mediterraneo Hospital. He is certified in robotic knee and hip arthroplasty using the most advanced robotic system worldwide, the only one with FDA certification in the USA for robotic total joint revision arthroplasty. He holds a postgraduate degree in “Metabolic Bone Diseases” from the Medical School of Athens and graduated in Medicine from the University of Medicine and Pharmacy "Carol Davila". He specialized in Orthopedics and Traumatology at the General Hospital of Piraeus “Tzaneio” and in Pediatric Orthopedics at the Children’s Hospital "P. & A. Kyriakou", and after successful examinations where he ranked first in Attica, he obtained the title of orthopedic specialty. He served as an instructor at the Special Training Center for Health Professionals in the Orthopedics and Traumatology department of the General Hospital of Piraeus "Tzaneio" regarding the implementation of a preventive screening program for scoliosis and other spinal deformities in students. Additionally, he has participated as a speaker and trainee in numerous conferences and seminars in Greece. His areas of expertise include arthroscopic surgery, robotic knee and hip arthroplasty, as well as robotic knee and hip revision surgery with Fast-Track ERAS protocols for rapid return to activities, and minimally invasive surgery.

Ο Ασλανίδης Ηλίας MD,MSc,FEBOT είναι Στρατιωτικός Ιατρός, Ορθοπαιδικός και Διευθυντής Τμήματος Κάτω Άκρου και Επανορθωτικής Χειρουργικής Ποδός στη Ευρωκλινική Αθηνών. Διατηρεί Ιατρείο στους Αμπελόκηπους, Λουίζης Ριανκούρ 65-67 και στο Λαγονήσι. Είναι απόφοιτος της Ιατρικής Σχολής του Αριστοτέλειου Πανεπιστημίου Θεσσαλονίκης και Αριστούχος απόφοιτος της Στρατιωτικής Σχολής Αξιωματικών Σωμάτων (ΣΣΑΣ) (Υπαρχηγός Τάξης). Ειδικεύτηκε στην Ορθοπαιδική και Τραυματολογία για 1,5 χρόνο στο 401 Γενικό Στρατιωτικό Νοσοκομείο Αθηνών, 6 μήνες στην Γ΄ Ορθοπαιδική Κλινική του ΚΑΤ Γενικό Νοσοκομείο Αττικής και 3 χρόνια στο Great Western Hospital του Σουίντον στο Ηνωμένο Βασίλειο, όπου και ολοκλήρωσε την εκπαίδευση του. Είναι κάτοχος και αριστούχος του μεταπτυχιακού διπλώματος Μεταβολικών Νοσημάτων των Οστών του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών. Κατά τη διάρκεια της ειδικότητας του στο Ηνωμένο Βασίλειο εκπαιδεύτηκε για 6 μήνες στην άκρα χείρας και μικροχειρουργική, 6 μήνες στις παθήσεις ώμου και αγκώνος, 6 μήνες στις παθήσεις ισχίου, 6 μήνες στις παθήσεις σπονδυλικής στήλης και 1 χρόνο στις παθήσεις γόνατος και αθλητικών κακώσεων. Συνέχισε την εξειδίκευση του στο κάτω άκρο και στις αθλητικές κακώσεις (συμπεριλαμβανομένου παιδιών και εφήβων) για 1 χρόνο στο Σουίντον του Ηνωμένου Βασιλείου (Senior Fellow) με διενέργεια μεγάλου αριθμού εξειδικευμένων επεμβάσεων υπ’ ευθύνη του. Eργάζεται ως επιμελητής της Β' Ορθοπαιδικής του 401 Γενικού Στρατιωτικού Νοσοκομείου Αθηνών και είναι Διευθυντής του Υγειονομικού Τμήματος της Ζ' Μοίρας Αμφιβίων Καταδρομών. Είναι Διευθυντής Τμήματος Κάτω Άκρου και Επανορθωτικής Χειρουργικής Ποδός στη Ευρωκλινική Αθηνών ενώ επιπλέον είναι Sports Medicine Consultant της Tangram Sports Management, εταιρείας που διαχειρίζεται μεγάλο αριθμό επαγγελματιών παικτών μπάσκετ σε όλη την Ευρώπη. Παρέχει ιατρικές συμβουλές για την αντιμετώπιση αθλητικών κακώσεων σε επαγγελματικές ομάδες μπάσκετ τόσο της Ευρώπης (Euroleague, Eurocup, Liga ACB, BBL, LNB Pro A κ.α.) όσο και της Ασίας. Στο παρελθόν έχει διατελέσει ιατρός και σε άλλες μονάδες των ειδικών δυνάμεων με συμμετοχή σε διάφορα σχολεία του Ελληνικού Στρατού (Ελεύθερης Πτώσης, Καταδυτικής Ιατρικής), καθώς και ιατρός αγώνων ποδοσφαίρου (ΕΠΣΑ,ΕΠΣΑΝΑ,ΕΠΣΔΑ,ΕΠΣΠ, Football Leaue,Football League 2, Superleague Νέων) και πολεμικών τεχνών (πανελλήνιο πρωτάθλημα παγκρατίου, καράτε κ.α.). Είναι μέλος του Ιατρικού Συλλόγου του Ηνωμένου Βασιλείου (GMC Specialty Registry) και της Βρετανικής Ορθοπαιδικής Εταιρείας Ποδός και Ποδοκνημικής (BOFAS). Έχει συμμετάσχει στο παρελθόν σε πληθώρα συνεδρίων ελληνικών και διεθνών. Έχει εξειδικευτεί στο κάτω άκρο και στις αθλητικές κακώσεις με ιδιαίτερο ενδιαφέρον το γόνατο , την ποδοκνημική και τον άκρο πόδα. Είναι ένας από τους λίγους χειρουργούς στην Ελλάδα με επίσημη εξειδίκευση στο πόδι και την ποδοκνημική στο εξωτερικό ( Foot and Αnkle Fellow). Είναι υπότροφος της Ευρωπαϊκής Επιτροπής Ορθοπαιδικής και Τραυματολογίας κατόπιν ειδικών εξετάσεων και αυτήν την περίοδο είναι συνεργάτης της Ευρωκλινικής Αθηνών, της Βιοκλινικής Αθηνών, του Θεραπευτηρίου ΥΓΕΙΑ, ΜΗΤΕΡΑ και του Ιατρικού Κέντρου Αθηνών. Λόγω της ενασχόλησης του για χρόνια με τον αθλητισμό-έχοντας υπάρξει ο ίδιος ποδοσφαιριστής - και γνωρίζοντας πλέον και τις δύο όψεις αθλητή και ιατρού διαθέτει μεγάλη εμπειρία στις αθλητικές κακώσεις και στην ταχεία επιστροφή των αθλητών στις επαγγελματικές τους δραστηριότητες. Υπηρετώντας επιπλέον για περισσότερο από 6 χρόνια σε μονάδες Ειδικών Δυνάμεων έχει αναλάβει μεγάλο αριθμό δύσκολων περιπτώσεων που έχει φέρει εις πέρας με μεγάλη επιτυχία, βασιζόμενος στις ιδιαιτερότητες των υψηλών απαιτήσεων ασθενών με στόχο την ταχεία αποκατάσταση και την πλήρη επιστροφή στην υπηρεσία.

Vasilakakos Theofanis MD is an Orthopedic Surgeon - Sports Medicine Specialist with private practices in Kalamata, Sparta, and Kolonaki, and is also an Associate at the "Metropolitan" Hospital in Athens. He has specialized in Arthroscopic Surgery of the shoulder and knee at McGill University in Canada and in Reconstructive Surgery of the hip, shoulder, and knee at the Hospital for Special Surgery in the United States of America. He manages patients with sports injuries, osteoarthritis, spinal hemangioma, fractures, meniscal tears, anterior cruciate ligament tears, scoliosis-kyphosis, spinal stenosis, spondylolisthesis, tendinitis, chondropathy, and other bone injuries.

Grigorios Sasalos is an Orthopedic Surgeon, Consultant at the Orthopedic Clinic of Metropolitan Hospital, and maintains a private practice in Galatsi. He graduated from the Medical School of the National and Kapodistrian University of Athens. He received a scholarship from the State Scholarships Foundation to undertake a postgraduate program at the National School of Public Health. He completed his specialization at the First University Clinic of the National and Kapodistrian University of Athens. He has served for several years as an unpaid Scientific Collaborator at the Second University Clinic of the National and Kapodistrian University of Athens. He has participated in numerous international conferences, specialized seminars on new techniques, and educational courses. He manages cases across the entire spectrum of reconstructive surgery, hip and knee arthroplasty, with a particular interest in minimally invasive SuperPATH hip arthroplasty. He also undertakes arthroscopic repair of sports injuries in cases unresponsive to conservative treatment.

Ο Μάζης Γεώργιος είναι Διευθυντής Ορθοπαιδικός Χειρουργός, υπεύθυνος του τμήματος Χειρουργικής Άνω Άκρου (Ωμού & Αγκώνα) στην Ευρωκλινική Αθηνών. Επίσης, εργάζεται στο Ιατρικό Π. Φαλήρου ως υπεύθυνος του τμήματος Χειρουργικής Άνω Άκρου (Ωμού & Αγκώνα) και Άκρας Χειρός ενώ παράλληλα είναι συνεργάτης του Τμήματος Χειρουργικής Άνω Άκρου και Άκρας Χειρός στην Ορθοπαιδική Κλινική «OSTEON» στο Ιατρικό Αθηνών.

Ο κ. Μάζης κατέχει την θέση του Διευθυντή Ορθοπαιδικού Χειρουργού (Consultant Orthopaedic Surgeon) από τον Ιανουάριο 2017 στο Πανεπιστημιακό Νοσοκομείο Queen's NHS Barking, Havering and Redbridge, του Λονδίνου. Διδάκτωρ της Ιατρικής σχολής του Πανεπιστημίου Αθηνών (ΕΚΠΑ) από τον Ιανουάριο του 2014 (PhD degree) με βαθμό «Άριστα». Έγινε, κατόπιν εξετάσεων, “Fellow of European Board of Orthopaedics and Traumatology” τον Οκτώβριο 2014. Από τον Οκτώβριο του 2016 είναι εξεταστής (examiner) στο Queens Hospital Clinical FRCS (Orth) Course. Τον Ιανουάριο του 2011 έλαβε το μεταπτυχιακό τίτλο σπουδών (Master of Science, MSc) με θέμα «Μεταβολικά Νοσήματα των Οστών» μετά από διετή παρακολούθηση και παρουσίαση διατριβής με βαθμό «Άριστα». Είναι απόφοιτος της Ιατρικής Σχολής Αθηνών (2003 – Εθνικό Καποδιστριακό Πανεπιστήμιο Αθηνών) Από το 2012 αφοσιώθηκε στο ιδιαίτερο γνωστικό του αντικείμενο, τη Χειρουργική Άνω Άκρου και Άκρας Χειρός, καθώς και στις αρχές της ιατρικής επιστήμης και ηθικής, έχοντας στοχευμένη μετεκπαίδευση σε κορυφαία κέντρα του Ηνωμένου Βασιλείου. Διετέλεσε έμμισθος κλινικός υπότροφος (Senior Post CCT Clinical Fellow, 2015) στον τομέα της Χειρουργικής Άνω Άκρου (Upper Limb Surgery ) στο Royal Berkshire Hospital NHS, Reading, Berkshire, UK, υπό την καθοδήγηση του Professor Ofer (εμπνευστής και σχεδιαστής της ανάστροφης ολικής αρθροπλαστικής ώμου VERSO) που μαζί με τον Steve Copeland (εμπνευστής και σχεδιαστής της αρθροπλαστικής ώμου επιφανείας Copeland) αποτέλεσαν πρωτοπόρους στην Χειρουργική του Άνω Άκρου σε παγκόσμιο επίπεδο . Στη συνέχεια, διετέλεσε έμμισθος κλινικός υπότροφος (Senior Post CCT Clinical Fellow, 2016) στο Royal National Orthopaedic Hospital, Stanmore, στον τομέα της Χειρουργικής Άνω Άκρου και σύμπλοκων Αρθροπλαστικών Ώμου και Αγκώνα (Upper Limb and Complex Shoulder and Elbow Arthroplasty Surgery), υπό την καθοδήγηση των Simon Lambert και Ian Bayley (εμπνευστής και σχεδιαστής της ολικής αρθροπλαστικής ώμου Bayley Walker).

Είναι μέλος του British Elbow and Shoulder Society από το 2015. Επιπλέον, είναι μέλος πολλών ελληνικών και ξένων επιστημονικών επιτροπών και οργανώσεων και παραμένει ακαδημαϊκά ενεργός, ως Διδάκτορας του Πανεπιστημίου Αθηνών, έχοντας στο ενεργητικό του πολλαπλές δημοσιεύσεις άρθρων και πρωτοποριακών χειρουργικών τεχνικών σε επιστημονικά περιοδικά και επιθεωρήσεις του εξωτερικού καθώς και συμμετοχή στην συγγραφή αλλά και μετάφραση σύγχρονων συγγραμμάτων Ορθοπαιδικής.

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.

Orthopedic surgeon Ntousis Dionysios is a graduate of the Medical School of Athens, where he also completed his postgraduate specialization in Metabolic Bone Diseases. He has maintained his private practice in the Alimos area since 2016, diligently addressing the orthopedic issues of his fellow citizens with a sense of responsibility, professionalism, and excellent, modern, evidence-based scientific knowledge. Guided by the individualized approach to each patient's needs and aiming to improve the quality of life of those he serves, the physician manages all orthopedic conditions both conservatively and surgically.

The physician's areas of expertise include, among others, the surgical treatment of foot disorders, sports injuries of the knee (anterior cruciate ligament and meniscus tears), shoulder (shoulder dislocation), and knee and hip arthroplasty.

Dr. Kyrilis Xristos MD, MSc is an Orthopedic Surgeon - Spine Surgeon specializing in spinal surgery, as well as endoscopic spinal surgery, and maintains a private practice in Vrilissia. He was admitted to the Medical School of Aristotle University of Thessaloniki and, after completing his studies and fulfilling his military obligations, he began the general part of his specialty in Orthopedics and Traumatology at the General Surgery Clinic of the General Hospital of Agrinio. Since 2014, he worked as an Orthopedics and Traumatology resident at the Attica General Hospital KAT, in the 1st Orthopedic Clinic, until September 2019. During this period, he participated in numerous surgical procedures and contributed to the operation of all departments of the Clinic. Additionally, he was seconded to the Scoliosis and Spine Department of the General Hospital KAT, where he participated in the diagnosis and management of complex cases, covering the entire spectrum of spinal pathology. During his specialty training, he attended numerous educational conferences and seminars, enhancing his knowledge and experience. Continuing his education, he completed his postgraduate studies program at the National and Kapodistrian University of Athens, focusing on the "Rehabilitation of Spinal Cord and Spinal Cord Injuries." Today, he works as a Scientific Associate at YGEIA Hospital and as a Consultant in the Spine, Scoliosis, and Oncology Department of Metropolitan General Hospital. With his experience and expertise, he is committed to providing high-quality medical care, focusing on pain relief and the restoration of mobility for his patients.

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 Sxinas MD, MSc, PhD is an Orthopedic Surgeon with a private practice in Pefki. He holds a doctorate from the National and Kapodistrian University of Athens, specializing in Surgical Orthopedics, and completed advanced training in total joint arthroplasties at the Hospital for Special Surgery (HSS) in New York, supported by a scholarship from the Stavros Niarchos Foundation. As a scholar, he also trained in the sports injuries department of the KAT General Hospital, where he gained extensive surgical experience in sports injuries in both diagnosis and treatment. He serves as a Consultant at Ygeia Hospital and is a former Consultant at the Second Orthopedic Clinic of the General Hospital of Athens "G. Gennimatas," where he acquired significant experience in Emergency Orthopedics, actively participating in the clinic's on-call program. Previously, he worked as a physician in the Orthopedic Clinic at James Paget University Hospital in the United Kingdom. To date, he has authored presentations and publications in renowned scientific and medical journals and has been awarded for the best paper entitled: "Experience and Observations from Bone Lengthening with Unilateral External Fixation Devices."

Dr Spiliotopoulos Georgios is a graduate of Medical School and a PhD candidate in Orthopedics at the University of Patras. He specialized at the 401 General Military Hospital of Athens and further specialized in Orthopedic Sports Medicine and modern minimally invasive surgical corrective techniques (MIS). Since 2018, he has been a Forensic Orthopedic Expert (technical consultant) for major insurance companies. He maintains a clinic in Neo Psychiko and is the head of the surgical team OrthoSoma (Ortho-Body).

Dr. Diakatos Andreas is an Orthopedic Surgeon who maintains a private practice in Ilioupoli. He was born in Athens. He began his specialty training in Orthopedic Surgery and Traumatology at the Asklipiio Voulas Hospital. For two years, he trained in Microsurgery at KAT Hospital and for one year in Pediatric Orthopedics at the same hospital. In 2014, he obtained the Orthopedic Surgery and Traumatology specialty certification and has been practicing privately since then. He is currently affiliated with Hygeia Hospital, where a significant number of robotic surgeries are performed, a cutting-edge technology in knee and hip arthroplasty within this specialty. Finally, it would be remiss not to mention his training in Bologna, Italy, under Professor Maurilio Marcacci, as well as in Leeds, United Kingdom.

Ksomeritaki Eleni is an Orthopedic Surgeon and maintains a private practice in Pangrati. She studied at the Medical School of the University of Crete in Heraklion. She served her mandatory Rural Service at the Vamou Health Center in Chania. In 1998, she obtained her specialty title in Orthopedic Surgery and Traumatology. She specialized in Orthopedics at the Asklipieio Hospital of Voula and at KAT Hospital in specialized departments of hand surgery, microsurgery, and pediatric orthopedics. Additionally, she completed postgraduate studies in the organization and management of health services. She has completed three years of training in medical acupuncture (2 years at the Northern Greece Institute of Acupuncture and 1 year at the Medical Acupuncture Training Center) and holds certification according to the standards of ICMART - International Council of Medical Acupuncture Related Techniques. Furthermore, she has been trained in homeopathy. Alongside Orthopedics, she has been practicing acupuncture since 2010, primarily addressing musculoskeletal pain by administering homeopathic medicines in combination.

Dr. Paraskeuakos Grigorios is an Orthopedic Surgeon who has maintained a private practice in Nikaia since 2005. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed his residency at the General Hospital of Attica KAT. Additionally, he specialized in General Surgery in the Pediatric Surgery Department of the General Hospital of Piraeus "Tzaneio" and further specialized in the Microsurgery Department of the General Hospital of Attica KAT. The physician continuously updates his knowledge in orthopedic matters through ongoing participation in osteoporosis and general orthopedics seminars both in Greece and abroad. Finally, his private clinic offers a wide range of services, tailored to the individual needs of each patient.

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.

Mitrogiannis Georgios is an Orthopedic Surgeon specializing in Adults and Pediatrics – Sports Medicine Physician, maintaining a private practice in Nea Ionia. Concurrently, he works as a Consultant in the Pediatric Orthopedic Clinic at IASO Children’s Hospital. He holds a medical degree from the University of Ioannina School of Medicine and is a doctoral candidate at the School of Medicine, National and Kapodistrian University of Athens. He completed his specialty training in Orthopedics and Traumatology at the General Children’s Hospital "Panagiotis & Aglaia Kyriakou," the Korgialenio-Benakio Greek Red Cross Hospital, and the General Athens Hospital "Evangelismos," where, following the receipt of his Orthopedic Specialty certification, he remained for an additional two years as a Specialist Orthopedic Surgeon. During his residency, he received extensive training in managing injuries of all severities, sports-related injuries, and arthroplasties, actively participating in a large number of surgical procedures across the full spectrum of Orthopedics. He holds the Barca Innovation Hub Professional Diploma in Team Sports Injuries and the FIFA Diploma in Football Medicine, confirming his advanced expertise in sports medicine. In 2023, he served as a physician for the AEK Football Club, and from September 2024 to the present, he has been the team physician for the Academies of Panathinaikos Football Club. He also has a robust scientific portfolio with publications and presentations at Greek and international medical conferences and journals.

Maria Xoumanidi is an Orthopedic Surgeon with a private practice in Elliniko. She holds a degree from the Medical School of the National and Kapodistrian University of Athens. She has completed a postgraduate program in "Metabolic Bone Diseases" at the Medical School of the National and Kapodistrian University of Athens, as well as a postgraduate program in "Applied Biomechanics and Biomaterials in Orthopedics" at the Medical School of the same institution. She specialized in Orthopedic Surgery initially at the General Panarcadian Hospital of Tripoli and subsequently at the General Hospital "Asklipieio" of Voula. In 2019, she worked as an Orthopedic Surgeon at the Municipal Clinic of Kypseli and currently serves as an Attending Orthopedic Surgeon at Metropolitan Hospital. Additionally, Dr. Xoumanidi has participated in numerous conferences and seminars and is a member of the Piraeus Medical Association and the Hellenic Society of Orthopedic Surgery and Traumatology.

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.