Orthopaedic - Orthopaedic Surgeons with experience in Κnee arthroplasty in Attica

Mr. Georgoulis Stylianos MD, MSC, Dipl is an Orthopedic Surgeon - Traumatologist with a private practice in Marousi. He has received advanced training at Oxford, United Kingdom, specializing in reconstructive orthopedics (hip and knee arthroplasty) and practices orthopedic surgery and traumatology - sports medicine at the 251 Air Force General Hospital as the Director of the 2nd Orthopedic Clinic. Simultaneously, he serves as the Deputy Director of the 7th Orthopedic Clinic at HYGEIA, focusing on robotic hip and knee arthroplasty, having been certified in these techniques. The core principles of his therapeutic approach to patients include information, understanding, honesty, and trust, which form the foundation for a personalized treatment process tailored to meet the distinct needs and demands of his patients. These are the essential elements of a mutual trust relationship between patient and surgeon, which will determine the choice of method, define the patient's therapeutic expectations, and ultimately ensure an excellent outcome.

Papaioannou Xristoforos is an Orthopedic Surgeon and Doctor of Medicine from the Medical School of the University of Freiburg, Germany, with a private practice in Agia Varvara. After completing his studies at the Medical School of the National and Kapodistrian University of Athens, he specialized in Orthopedics and Traumatology and sub-specialized in Upper Limb, Hand Surgery, and Microsurgery at major centers in Germany. He is a certified Hand Surgeon (Handchirurg) following examinations at the University of Münster, Germany. He currently maintains a position as an Orthopedic Surgeon in the Department of Orthopedics, Traumatology & Hand Surgery at the Kreisklinikum Siegen clinic, an academic center of the University of Marburg. Furthermore, he specialized in the Department of Orthopedics, Traumatology & Hand Surgery at Darmstadt Hospital (Kreisklinikum Darmstadt). Additionally, he worked at the certified orthopedic center and arthroplasty center, as well as in the spinal surgery department of the orthopedic clinic in Lorsch, Germany, where he specialized in minimally invasive knee and hip arthroplasty surgery and in targeted fluoroscopy-guided injection therapy with slow-release corticosteroids for the management of chronic pain in spinal disorders. Finally, he served for several years as a scientific collaborator at the University of Freiburg and has numerous publications in scientific journals and conferences.

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.

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.

Dr. Zaxariou Stergios MD is an Orthopedic Surgeon - Traumatologist, maintaining private practices in Elefsina and Ano Liosia. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed his specialization at the Orthopedic Department of the General Hospital of Piraeus "Tzaneio." Dr. Zaxariou specializes in sports injuries and is a member of the Medical Team of the Olympiacos B.C. Additionally, he specializes in the minimally invasive Surgical Treatment Method for Carpal Tunnel Syndrome and stays continuously updated on all developments in Orthopedics through participation in conferences. In his private practice, he offers all necessary examinations and patient services including clinical examination, fracture monitoring, kyphosis and scoliosis management, osteoporosis screening, meniscus, cruciate ligament, and chondropathy arthroscopy, as well as intra-articular injections. Finally, Dr. Zaxariou is a member of the Hellenic Arthroscopy Society and the Hellenic Osteoporosis Foundation.

Dr. Tsapakidis Giannis was born in Larisa in 1975 and graduated from the Medical School of Aristotle University of Thessaloniki in 2000. He completed his Orthopedic specialty residency at Tzaneio General Hospital of Piraeus, with part of his training conducted at KAT Hospital and Charing Cross Hospital in London. He received a scholarship from AO and worked as a Fellow at the Sports Injuries and Trauma Center of Queens Medical Centre University Hospital in Nottingham. He is a PhD candidate at the University of Athens and a member of AO ALUMNI. Since 2006, he has served as the team physician for the women's basketball team “ESPERIDES” Kallithea (Women’s A1 Basketball Champion for 2006-07 and 2008-09 and Greek Cup Winner for 2005-06, 2006-07, 2007-08, and 2008-09). From 2015 to 2018, he was part of the medical team covering orthopedic concerns for the athletes of KAE AEK. Since 2013, he has provided medical coverage for the basketball team PROTEAS VOULAS and from 2015 to 2025 served as the medical provider for the athletes of the basketball team KAE AMAROUSIOU. From 2021 to 2023, he was the team physician for the WOMEN'S NATIONAL BASKETBALL TEAM, and from 2022 to 2024 for the team of PANIONIOS B.C. Previously, he was part of the medical team covering orthopedic needs of the athletes of KAE PANELLINIOS from 2008 to 2011 and the Cultural and Sports Center “DAIS.” Subsequently, from 2018 to 2022, he provided medical coverage to the athletes of MELLISION and since 2018 to the athletes of ESPEROS B.C. Finally, starting this year, he has been the medical provider for the amateur club PANATHINAIKOS A.O. He has attended specialized seminars/workshops in Traumatology, Microsurgery, and Arthroscopic Surgery both in Greece and abroad. He has participated with publications/presentations in Greek and International scientific conferences and journals.

Orthopedic Surgeon Dr. Alkiviadis Kallivokas, BSc, MD, PhD, specializes in modern arthroscopic and arthroplasty surgery of the hip, knee, and shoulder, utilizing minimally invasive techniques (AMIS and MIS) and robot-assisted surgery, with the aim of rapid recovery, reduction of postoperative pain, and immediate return of patients to their daily activities. He holds degrees in Medicine and Biology from the University of Athens and a PhD in Orthopedics from the University of Patras, with significant scientific activity and publications in international scientific journals. He has been trained and worked at leading hospitals in Greece and the United Kingdom and has served as Director of Orthopedics and Traumatology at Homerton University Hospital in London. He possesses extensive experience in the management of diseases and injuries of major joints, including arthroscopies of the hip, knee, and shoulder, arthroplasty procedures, sports injuries, and orthopedic trauma. He collaborates with the Athens Medical Center (Neo Psychiko) and the Evgenidio Hospital, providing personalized therapeutic solutions focused on the needs of each patient. His medical approach is based on accurate diagnosis, comprehensive patient education, and the establishment of a trust-based relationship with the patient.

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.

Mylonas Xrysanthos is an Orthopedic Surgeon - Traumatologist with private practices in Anavyssos, Lavrio, and Glyfada. He holds a degree from the Medical School of Aristotle University of Thessaloniki and completed his specialty in General Surgery at the General State Hospital of Nikaia. Throughout his professional career, he served as a Scientific Collaborator at IKA Lavrio for over 15 years. Currently, in addition to his private practices, he is a Scientific Collaborator at the private hospital Medirerraneo in the Glyfada area. Furthermore, he regularly attends conferences in Greece and abroad covering the entire spectrum of Orthopedics, including topics such as osteoporosis, trauma, surgical arthroplasty, geriatric patients, and bone neoplasms. He also participates in various research projects and presentations both in Greece and internationally.

Dr. Petridis Grigorios is an Orthopedic Surgeon with a private practice in Marousi. He completed his studies at the University of Bologna in Italy and received his orthopedic training at the 401 General Military Hospital of Athens. He serves as a scientific collaborator at the private clinics Metropolitan General, Leukos Stavros Athens Clinic, and REA. He has previously held the position of consultant at the 3rd Orthopedic Clinic of the Errikos Dynan Hospital Center. He specializes in arthroplasty of major joints (knee and hip) using advanced minimally invasive surgical techniques (MIS) and Robot-Assisted Total Knee Replacement (utilizing robotic assistance systems in knee arthroplasty), arthroscopic knee surgeries, and foot surgery. He has performed a large number of procedures in these fields and possesses significant clinical experience. He manages cases across the full spectrum of orthopedics and traumatology. His curriculum vitae includes notable participation in scientific publications, orthopedic conferences, and numerous specialized educational seminars and workshops both in Greece and internationally.

Ο Παπαδόπουλος Παναγιώτης MD, MSc είναι Ορθοπαιδικός Χειρουργός, Υποδιευθυντής της Γ΄ Ορθοπαιδικής Κλινικής ΥΓΕΙΑ. Έχει εξειδίκευση στην Αρθροσκοπική και Ανοικτή Χειρουργική Ώμου και Γόνατος, στις Αθλητικές Κακώσεις, την Επανορθωτική Χειρουργική και στις σύγχρονες συνδυαστικές Βιολογικές θεραπείες. Διαθέτει ιδιαίτερο κλινικό και ερευνητικό ενδιαφέρον στην αντιμετώπιση των παθήσεων του ώμου με σύγχρονες τεχνικές ελάχιστης επεμβατικότητας, προηγμένες αρθροσκοπικές μεθόδους και καινοτόμα βιολογικά πρωτόκολλα, με στόχο τη γρήγορη λειτουργική αποκατάσταση και τη μακροχρόνια σταθερότητα του ώμου. Το 2018 μετεκπαιδεύτηκε στη Λυών της Γαλλίας σε ένα από τα κορυφαία κέντρα χειρουργικής ώμου παγκοσμίως, το Centre Orthopédique Santy – FIFA Medical Center of Excellence, όπου ολοκλήρωσε το Shoulder Clinical Fellowship. Κατά τη διάρκεια της μετεκπαίδευσής του εργάστηκε επίσης στο Hôpital Privé Jean Mermoz, αποκτώντας πρακτική εμπειρία σε εξειδικευμένες επεμβάσεις ώμου, σύνθετες βλάβες τενοντίου πετάλου, αστάθειες, αντιμετώπιση καταγμάτων και επανορθωτικές τεχνικές αρθροπλαστικής υψηλής δυσκολίας, υπό την καθοδήγηση διεθνώς αναγνωρισμένων χειρουργών. Έχει παρουσιάσει επιστημονικές εργασίες, τεχνικές και κλινικά δεδομένα σε πολυάριθμα συνέδρια στην Ελλάδα και το εξωτερικό, συμβάλλοντας στη διάδοση της σύγχρονης αρθροσκοπικής χειρουργικής και της ελάχιστα επεμβατικής προσέγγισης στις αθλητικές κακώσεις και στις παθήσεις του ώμου. Επίσης έχει υπάρξει εκπαιδευτής νεότερων Ιατρών στις πιο σύγχρονες χειρουργικές τεχνικές αντιμετώπισης του συνόλου της παθολογίας του ώμου. Από το 2025 κατέχει τη θέση του Υποδιευθυντή της Γ’ Ορθοπαιδικής Κλινικής του Νοσοκομείου ΥΓΕΙΑ, συμμετέχοντας ενεργά στη λειτουργία της Κλινικής, στην ανάπτυξη θεραπευτικών πρωτοκόλλων και στη διαχείριση σύνθετων περιστατικών. Παράλληλα, αποτελεί μέλος της επιστημονικής ομάδας του Athens Shoulder Institute, συμμετέχοντας: στο Τμήμα Εκπαίδευσης (Education and Training) για την ανάπτυξη και διδασκαλία σύγχρονων τεχνικών χειρουργικής ώμου, στο Τμήμα Οργάνωσης και Κλινικού Έργου, συμβάλλοντας στον συντονισμό, στην παροχή υψηλού επιπέδου κλινικών υπηρεσιών και στην ενιαία στρατηγική του Κέντρου, στο Τμήμα Προβολής και Ενημέρωσης, με στόχο την επιστημονική εξωστρέφεια, τη δημιουργία εκπαιδευτικού υλικού και την αναβάθμιση της παρουσίας του Κέντρου στην ιατρική κοινότητα. Διατηρεί ιατρείο Ελάχιστα Επεμβατικής Χειρουργικής στη Γλυφάδα και το Μαρούσι όπου αντιμετωπίζει εξειδικευμένα παθήσεις ώμου και γόνατος, αθλητικές κακώσεις και σύνθετα ορθοπαιδικά περιστατικά, εφαρμόζοντας εξατομικευμένες, τεκμηριωμένες και βιολογικά ενισχυμένες θεραπευτικές προσεγγίσεις.

In the Orthopedic Department of Bioclab, which is staffed by highly qualified scientific personnel. The aim of Bioclab is to provide the best possible solutions to patients from diagnosis through to the completion of treatment.

Gatos Giorgos, MD, MSc, is an Orthopedic Surgeon - Sports Medicine Specialist with expertise in Arthroscopic and Open Shoulder and Knee Surgery, Sports Injuries, Reconstructive Surgery, and modern combined Biological therapies. He maintains a private practice in Gerakas and simultaneously serves as Deputy Director of the 3rd Orthopedic Clinic at Hygeia-Mitera Hospital, as well as a Scientific Collaborator at the Psychiko Medical Center. He completed his postgraduate studies at the Medical School of the National and Kapodistrian University of Athens, with a thesis on Metabolic Bone Diseases.

Dr. Sarantis Mixalis, MD, MSc, PhDc, is an Orthopedic Surgeon with a private practice in Psychiko. Concurrently, he serves as an Orthopedic Consultant specializing in Sports Injuries at Metropolitan Hospital. He has extensive experience, having completed his specialization at the General Children's Hospital "Agia Sofia" and the 4th Orthopedic Clinic of G.N.A. KAT, while also specializing at the same hospital in the Hand-Upper Limb-Microsurgery Clinic, the Sports Injuries Department, and the Pediatric Orthopedic Clinic. In 2018, he successfully completed advanced training in pediatric orthopedic trauma and pediatric skeletal deformities at the Orthopedic Hospital Speising (Vienna, Austria). Since 2019, he holds a Master's degree in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. In 2020, he was appointed as a doctoral candidate by the Medical School of Athens, and since then he has been pursuing his doctoral thesis at the 2nd Orthopedic University Clinic of the University of Athens (Konstantopouleio Hospital – Agia Olga). He is an active member of the European Paediatric Orthopaedic Society (EPOS), the European Society for Sports Traumatology Knee Surgery and Arthroscopy (ESSKA), the Hellenic Society of Orthopaedic Surgery and Traumatology (EEHOT), and the Athens Medical Association. Finally, he has a rich academic portfolio, authoring numerous publications in peer-reviewed international journals (PUBMED) and actively participating in presentations at Greek and international conferences.