Orthopaedic - Orthopaedic Surgeons

Mr. Nikolaos Kalos is an Orthopedic Surgeon and Deputy Director of the 4th Orthopedic Clinic at Metropolitan General in Cholargos. He maintains a private practice in Neo Psychiko.

He is a graduate of the Medical School of the University of Ioannina and completed his specialization at the University Orthopedic Clinic of Ioannina.

He specialized at the Osteoarthritis and Knee Deformities Treatment Center, LKH Stolzalpe - Murau in Austria. In his private practice, he provides a wide range of services, tailored to the individual needs of each patient.

Dr. Mastoras A. Spyridon is an Orthopedic Surgeon and maintains the Mastoras Medical Service Center with four private clinics located in Corfu, in the Old Town, Roda, Kassiopi, and Sidari. The main medical departments of the center are Internal Medicine, General Surgery, and Dermatology, while also collaborating with distinguished physicians of all specialties. Dr. Mastoras Spyridon holds a medical degree from the Faculty of Medicine at the University of Belgrade. He completed a postgraduate program in Health and Welfare Unit Management at the Conservatoire National des Arts et Métiers University and received further training in Emergency Pre-Hospital Medicine from the National Emergency Aid Center. Additionally, he specialized in Orthopedic Surgery at the General Hospital of Corfu and the General Hospital of Attica KAT. Finally, he has served as General Manager at the General Clinic of Corfu and has attended numerous medical seminars as part of continuous professional development.

Kaldis Panagiotis is an Orthopedic Surgeon specializing in Upper Limb Surgery and Reconstructive Microsurgery. He graduated from the Medical School of the National and Kapodistrian University of Athens. Alongside his private practice in Pallini, he works as Deputy Director in the B' Department of Hand Surgery and Microsurgery at Hygeia Hospital, where he manages complex hand and shoulder injuries. He is a member of prominent medical associations, including the Athens Medical Association, the Hellenic Society of Surgery, Orthopedics, and Traumatology (HECOS), the Hellenic Society of Hand and Upper Limb Surgery (HEHUS), the Society of Reconstructive Microsurgery (SRM), and the International Wrist Arthroscopy Society (IWAS).

In his private practice, he treats conditions across the full spectrum of orthopedics and provides specialized services tailored to the individual needs of his patients.

Dr. Mpesiris Georgios is an Orthopedic Surgeon who maintains private practices in Ano Liosia, Kypseli, Corfu, and Ierapetra. He studied at the Medical School of the National and Kapodistrian University of Athens and specialized in Orthopedic Surgery at the General Hospital of Elefsina "Thriasio" and the General Children’s Hospital "Panagiotis and Aglaia Kyriakou." He holds a PhD from the Medical School of the National and Kapodistrian University of Athens with a thesis titled "Comparative study of the local use of tranexamic acid in total knee arthroplasty (intra-articular – periarticular injection)." He has extensive experience working in clinics and hospitals, as well as participation in numerous conferences related to the field of Orthopedic Surgery. Additionally, from 2020 to 2022, he received medical recognition awards and consistently stays up-to-date with all scientific advancements in his specialty, treating medical science as a vocation. Finally, he provides high-quality orthopedic services and comprehensive therapeutic interventions for every orthopedic issue.

Dr. Anagnostou Konstantinos, MD, is an Orthopedic Surgeon with a private practice in Argyroupoli. He is a PhD candidate at the Medical School of the University of Patras and a graduate of the same institution. He obtained his Orthopedic Surgeon title in 2013 from the University Orthopedic Clinic at the University General Hospital of Rio, Patras, while part of his specialization was also completed at the "P. & A. Kyriakou" General Children's Hospital of Athens. In addition to his private practice, Dr. Anagnostou collaborates with MITERA Hospital - HYGEIA Group, serving as the Consultant of the 4th Orthopedic Clinic - Sports Injuries and Knee and Hip Arthroplasties. He has participated in a large number of conferences, educational seminars, and projects, focusing primarily on upper limb disorders and injuries, as well as sports injuries. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery & Traumatology, the Hellenic Arthroscopy Society, and AO TRAUMA.

Ο Λεωνίδου Ανδρέας PGDip, MSc, PhD, FACS, FRCS (Tr&Orth) είναι Ορθοπαιδικός Xειρουργός - Τραυματολόγος και Διδάκτωρ στο Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης με ιδιωτικό ιατρείο στο Μαρούσι. Παράλληλα, διατελεί Διευθυντής στο Ιατρικό Κέντρο Αθηνών στο Μαρούσι. Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών και έχει ολοκληρώσει μεταπτυχιακές σπουδές στην Ορθοπαιδική Μηχανική στο Πανεπιστήμιο του Cardiff. Μετά την αποφοίτησή του ξεκίνησε να εργάζεται στο Ηνωμένο Βασίλειο, όπου κάτω από διαρκή αξιολόγηση, τακτικές εξετάσεις και συνεντεύξεις, ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής και Τραυματολογίας. Είναι εξειδικευμένος Χειρουργός άνω άκρου, γόνατος και αθλητικών κακώσεων και έχει ολοκληρώσει όλη την ειδικότητα και την υπερεξειδίκευση στο ειδικό γνωστικό αντικείμενό του στην Αγγλία. Μετά το πέρας της ειδικότητας, εξειδικεύτηκε στην παγκοσμίου φήμης Κλινική Ώμου - Αγκώνα στο Reading. Εργάσθηκε δε ως Διευθυντής στην ίδια κλινική και εν συνεχεία στο Πανεπιστημιακό Νοσοκομείο του East Kent. Εργάσθηκε συνεχόμενα στο Ηνωμένο Βασίλειο από το 2005 έως το 2019 αποκτώντας τεράστια χειρουργική εμπειρία. Διαθέτει αναλυτικό - πιστοποιημένο logbook πλέον των 6000 χειρουργείων. Επιστρέφει στην Ελλάδα μετά από 14 χρόνια παραμονής στο Ηνωμένο Βασίλειο, έχοντας αφυπηρετήσει στην υψηλότερη βαθμίδα του μόνιμου Διευθυντή (substantive Consultant), με στόχο να παρέχει στους ασθενείς του τις πιο σύγχρονες τεχνικές διάγνωσης και θεραπείας με βάση τα διεθνή πρότυπα. Ασχολείται με όλο το φάσμα της τραυματολογίας με εξειδίκευση στην αντιμετώπιση των σύνθετων καταγμάτων του ώμου - αγκώνα. Επίσης, εξειδικεύεται στην αρθροσκόπηση ώμου - αγκώνα και γόνατος με μεγάλη χειρουργική εμπειρία και όγκο περιστατικών. Εφαρμόζει το ελάχιστης επεμβατικότητας σύστημα ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Είναι εταίρος (fellow) του Βασιλικού Κολλεγίου των Χειρουργών του Εδιμβούργου, έχοντας ολοκληρώσει με επιτυχία τις σχετικές εξετάσεις. Επιπλέον, είναι εκπαιδευτής στο Advanced Trauma Life Support Course και στο παγκοσμίου φήμης Reading Shoulder and Elbow Course. Ταξιδεύει συχνά στην Ευρώπη όπου διδάσκει την τεχνική της ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Την περίοδο 2017 - 2019 ήταν ο πρώτος Έλληνας που εκλέχτηκε μέλος της Εκπαιδευτικής Επιτροπής της Βρετανικής Εταιρίας Ώμου - Αγκώνα. Tέλος, τo 2020 εκλέχτηκε στην επιτροπή μελών της Ευρωπαϊκής Εταιρίας Ώμου - Αγκώνα.

Dr. Trellopoulos Aggelos is an Orthopedic Surgeon who maintains two private clinics in Zografou and Marousi. He holds a Medical Degree and a postgraduate degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He specializes in Arthroscopic Surgery, Arthroplasty & Robotic Arthroplasty, Hand Surgery - Microsurgery, and Sports Injuries. He is a Consultant at the Third Orthopedic Clinic of "Hygeia" Hospital and at the Athens Center for Arthroscopy and Shoulder Surgery. He is a member of the European Society of Sports Traumatology (ESSKA), from which he has received educational fellowships aimed at specializing in athlete injuries. Finally, he is an active member of Greek and international scientific associations, has published numerous scientific articles and papers in Greek and international journals, and has delivered lectures at Greek and international sports medicine conferences.

Pathiakis Ioannis Md, MSc, PhD is an Orthopedic Surgeon who maintains a private practice in Peristeri. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and has obtained two postgraduate degrees in "Minimally Invasive Surgery, Robotic Surgery & Tele-surgery Medicine" and "Surgical Anatomy" from the Medical School of the same university. Additionally, he holds a Doctorate from the National and Kapodistrian University of Athens in the Department of Anatomy. He is specialized in Robotic Knee and Hip Surgery and in Microsurgical Bloodless Carpal Tunnel Release and holds a diploma in Medical Acupuncture from the Scientific Association of Medical Acupuncturists of Greece. He has completed training at numerous hospitals, while his specialty was completed in General Surgery at the General Hospital of Ierapetra. Furthermore, during his career, he has taught courses on First Aid, Traumatology, and musculoskeletal injuries at the IEK of Siteia and at the Volunteer Corps of Samaritans and Rescuers of Siteia, respectively. Finally, as part of his continuous education and updating in microsurgery and medical acupuncture, the physician regularly attends medical conferences, earning personal honorary distinctions.

Beyond Medicine, he holds a degree in Social Theology from the Theological School of Athens.

Οι Δρ. Πισκοπάκης Νικόλαος & Πισκοπάκης Ανδρέας είναι Ορθοπαιδικοί Χειρουργοί και διατηρούν ιδιωτικό ιατρείο Ρέθυμνο και στο Μαρούσι (εντός του Ιατρικού Κέντρου Αθηνών). Ο Δρ. Πισκοπάκης Νικόλαος είναι Διευθυντής της Ορθοπεδικής Κλινικής - Αθλητικών Κακώσεων του Ιατρικού Κέντρου Αθηνών. Είναι Διδάκτωρ του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών (ΕΚΠΑ) και έχει εξειδίκευση στην Αρθροσκοπική Χειρουργική, στη χειρουργική αντικατάσταση των μεγάλων αρθρώσεων (ολική αντικατάσταση γόνατος, ισχίου, ώμου) και στις αθλητικές κακώσεις. Διαθέτει πλούσια εμπειρία στον κλάδο του από το 1982, κατέχοντας σημαντικές θέσεις, καθώς ήταν ένας εκ των ιδρυτών της Κλινικής Αθλητικών Κακώσεων του Γενικού Νοσοκομείου Αττικής ΚΑΤ και σήμερα κατέχει την θέση του Διευθυντή της Ορθοπεδικής Κλινικής και Αθλητικών Κακώσεων του Ιατρικού Κέντρου Αθηνών. Έχει διατελέσει Πρόεδρος της Ελληνικής Αρθροσκοπικής Εταιρείας από το 2010 έως το 2012. Ο κ. Πισκοπάκης είναι ενεργό μέλος των σημαντικότερων Συλλόγων Ορθοπαιδικής σε Ευρωπαϊκό και Παγκόσμιο επίπεδο.Ο Πισκοπάκης Ανδρέας είναι Ορθοπαιδικός χειρουργός και Αναπληρωτής Διευθυντής στην Ορθοπαιδική κλινική του Ιατρικού Κέντρου Αθηνών.Αποφοίτησε από την Ιατρική Σχολή του πανεπιστημίου Universita di Foggia της Ιταλίας.Στην συνέχεια ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής Χειρουργικής & Τραυματιολογίας στο Νοσοκομείο ΚΑΤ.Είναι Διδάκτωρ(PhD) Πανεπιστημίου των Ιωαννίνων, με έρευνα πάνω στην ενσωμάτωση του πρόσθιου χιαστού συνδέσμου του γόνατος.Έχει επίσης διατελέσει Βασικός Ερευνητής στο πρόγραμμα “e-teams : οργάνωση και διαχείρισηαθλητικών ομάδων” του Πανεπιστημίου Πελοποννήσου.Εκπαιδεύτηκε στην αρθροσκοπική χειρουργική Ώμου στο Πανεπιστημιακό Νοσοκομείο Humanitas του Μιλάνου , από τον καθηγητή Alessandro Castagna και στην Αμερική από τον καθηγητή του Harvard Medical School Dr. Tom Minas, σε τεχνικές διατήρησης και αποκατάστασης χόνδρινων βλαβών του Γόνατος και σε εξατομικευμένες τεχνικές ολικής αρθροπλαστικής του Γόνατος.Από το 2022 έχει ξεκινήσει συνεργασία με το ερευνητικό τμήμα του πανεπιστημίου της Bologna , Rizzoli Orthopaedic Institute , πάνω στην εφαρμογή τεχνικών μεταμόσχευσης και διατήρησης των μηνίσκωντου γόνατος.Συμβουλεύει και παρακολουθεί ερασιτέχνες και επαγγελματίες αθλητές, σε Ελλάδα και Εξωτερικό και παρέχει σύγχρονες θεραπείες αρθροπλαστικής μεγάλων αρθρώσεων σε ασθενείς μεγαλύτερων ηλικιών.Επιπλέον είναι ενεργό μέλος των εταιριών: ISAKOS (International Society Of Arthroscopy , Knee Surgery and Orthopaedic Sports Medicine),ICRS (International Cartilage Repair Society) και ESSKA (European Society for Sports Traumatology, Knee Surgery & Arthroscopy).Τέλος,η Ιατρική Ομάδα έχοντας αποκτήσει πολυετή εμπειρία,από το 1996 έως σήμερα ,δραστηριοποιείται με επιτυχία στις αθλητικές κακώσεις, την αρθροσκοπική χειρουργική και την κάλυψηεπαγγελματικών ομάδων στο υψηλότερο επίπεδο, υπεύθυνος των ποδοσφαιρικών τμημάτων του Ολυμπιακού Αθλητικού Ομίλου & του Ατρόμητου.

Dr. Tsoutsanis Athanasios holds a PhD from the University of Athens and is the Director of the 6th Orthopedic Clinic at HYGEIA Hospital. He maintains a private practice at HYGEIA Hospital as well as in Kifisia (opposite KAT Hospital). His initial postgraduate training was completed at the University Orthopedic Clinic of the renowned Rizzoli Hospital in Bologna, Italy, specializing in arthroplasty surgery. Subsequently, he trained in Paris in the innovative minimally invasive AMIS technique for hip arthroplasty and is a certified instructor of this technique. After performing thousands of hip arthroplasty surgeries, he was designated as one of the official reference centers in Europe for training orthopedic surgeons in the AMIS technique. He performed the first live surgery using the AMIS technique in Greece as part of an educational seminar on hip arthroplasty.

He specialized in knee arthroplasty using the minimally invasive MIK technique.

He trained in the United Kingdom and Luxembourg and is a certified user of the MAKO and NAVIO robotic systems for total knee arthroplasty.

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).

Stathellis Apostolos MD, PhD is an Orthopedic Surgeon - Sports Medicine Specialist with expertise in arthroscopic surgery of the shoulder, knee, elbow, and ankle, as well as sports injuries. He graduated with honors from the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the University of Ulm in Germany. Following an 8-year training period in Germany (2009 - 2016) at one of the leading arthroscopic surgery centers (Sportklinik - Stuttgart), he now maintains private practices in Vrilissia and Marousi and concurrently serves as an Attending Physician at the 3rd Orthopedic Clinic at Hygeia Hospital. In 2016, he obtained the sports medicine specialization title in Germany, as well as certification in arthroscopic surgery. Additionally, he is trained and certified in musculoskeletal ultrasonography.

Dempegiotis Petros MD, MSc is an Orthopedic Surgeon with a private practice in Kypseli. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has attended numerous international educational seminars. He is also a certified physician in Neural Therapy. He is an affiliated physician at Euroclinic Athens, Doctor's Hospital, and Metropolitan General. With extensive experience in orthopedic disorders, he diagnoses and treats orthopedic conditions in both adults and children. Additionally, he manages cases such as tendinitis, osteoarthritis, cervical syndrome, sciatica, as well as pediatric orthopedics.

Dr. Panagopoulos Georgios is a Director Orthopedic Surgeon with extensive training and surgical experience in the United States of America and the United Kingdom. Although he is involved in the entire spectrum of Orthopedic Surgery, his primary area of expertise/interest is Arthroscopic and Reconstructive Surgery of the Upper Limb (shoulder, elbow, and hand). Dr. Panagopoulos has completed numerous long-term fellowship programs in the upper limb and has served at the highest level as a Consultant Orthopedic Surgeon at one of the largest Trauma Centers in Europe. Dr. Panagopoulos was born and raised in Athens. He completed his medical studies at the Medical School of the University of Rome, graduating with honors (magna cum laude). Subsequently, he completed his Residency in Orthopedic Surgery & Traumatology at the University Orthopedic Clinic of the University of Athens (Attikon University General Hospital). Dr. Panagopoulos expanded his training by completing a fellowship program in the Upper Limb in Pittsburgh, USA (2016-2017). He then served at the world-renowned Shoulder-Elbow Clinic in Reading, United Kingdom (2018-2020), as well as at the Royal National Orthopaedic Hospital in Stanmore (2020). Dr. Panagopoulos subsequently worked as a Consultant Orthopedic Surgeon at the Royal London Hospital, one of the largest Trauma Centers in the United Kingdom and Europe. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens.

Petroulakis Vasilis is an Orthopedic Surgeon and maintains a private practice in Chania. He served for over 20 years as the coordinating Director - Head of Department - of the Orthopedic Clinic at the Chania Hospital, one of the largest clinics in the country. He possesses extensive experience in all orthopedic conditions, both in traditional orthopedics and traumatology. He has been a president, organizer, trainer, and speaker at numerous conferences in Greece and abroad, and is a member of several European and Greek scientific societies.

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 Γεωργίου Λοΐζος είναι Ορθοπαιδικός Χειρουργός – Τραυματολόγος με ιατρείο στις Αχαρνές.. Είναι εξωτερικός συνεργάτης κλινικών, όπως Γενική Κλινική ΙΑΣΩ, Ευρωκλινική, Ερρίκος Ντυνάν, Κεντρική Κλινική Αθηνών, Αθηναϊκή Mediclinic και Doctors’ Hospital. Ολοκλήρωσε τις σπουδές του αποφοιτώντας με Άριστα (9.84/10) από την Ιατρική Σχολή του Πανεπιστημίου ΄΄CAROL DAVILA΄΄, Βουκουρέστι. Ο ιατρός εκπαιδεύτηκε σε μεγάλα νοσοκομεία, όπως ΚΑΤ, Νοσοκομείο Παίδων "Αγία Σοφία", Γενικό Νοσοκομείο Λευκωσίας, Νοσοκομείο ΄΄Παμμακάριστος΄΄, Νοσοκομείο Σύρου, Νοσοκομείο Σαντορίνης αποκτώντας μεγάλη εμπειρία σε ορθοπαιδικές χειρουργικές επεμβάσεις όλου του φάσματος της ειδικότητας, καθώς και σε συντηρητικές μεθόδους αποθεραπείας. Παράλληλα, η επιστημονική του κατάρτιση εμπλουτίστηκε με την συμμετοχή του στα Τμήματα Νευροχειρουργικής - Σπονδυλικής Στήλης, Πλαστικής Χειρουργικής και Μικροχειρουργικής - Παθήσεων Άνω Άκρου. Έχει εργαστεί ως επιμελητής στο Ιατρικό Κέντρο Αθηνών (Κλινική Αμαρουσίου), ΙΑΣΩ Γενική Κλινική, καθώς και στην Ορθοπαιδική Κλινική του Γενικού Κρατικού ΝίκαιαςΠειραιά. Είναι κάτοχος τίτλων, όπως του ATLS (ADVANCED TRAUMA LIFE SUPPORT), BLS (BASIC LIFE SUPPORT) και της U/S Hip Graaf Method. Ενώ, παράλληλα, είναι μέλος της Ευρωπαϊκής Αθλητιατρικής Εταιρείας, της Ευρωπαϊκής Αρθροσκοπικής Εταιρείας, της AO TRAUMA Foundation, του Ελληνικού Ιδρύματος Οστεοπόρωσης, του Ιατρικού Συλλόγου Αθηνών και του Παγκύπριου Ιατρικού Συλλόγου. Επίσης, συμβάλλει στην σύσταση ιατρικού ερευνητικού υλικού σε ιατρικά περιοδικά, όπως το Cureus. Επιπλέον, έχει διατελέσει ιατρός αθλητικών σωματείων, όπως της Ομόνοιας Λευκωσίας, της ΑΕΚ Λάρνακας, του Ευρωπαϊκού Πανεπιστημίου Λευκωσίας σε τμήματα ποδοσφαίρου, μπάσκετ, βόλεϊ, καθώς επίσης, έχει συνεργαστεί ως βοηθός ιατρικού επιτελείου στην DINAMO FC Βουκουρεστίου με τον Dr. Liviu Batineanu. Ακόμα, ήταν υπεύθυνος ιατρός σε Ακαδημίες Ποδοσφαίρου Αχαρνών Ταύρου. Συμμετέχει σε συνέδρια, σεμινάρια και ημερίδες της ειδικότητάς του και όχι μόνο. Ενημερώνεται διαρκώς για τα τελευταία νέα με στόχο τη συνεχόμενη εκπαίδευση, καθώς και τις καλύτερες δυνατές υπηρεσίες προς τους ασθενείς. Προτεραιότητά του είναι ο σεβασμός στον ασθενή και η αποτελεσματική αντιμετώπιση των ορθοπαιδικών παθήσεων άμεσα και υπεύθυνα. Τέλος, διαθέτει μεγάλη εμπειρία σε αρθροσκοπήσεις, αρθροπλαστικές και στην τραυματολογία αρθρώσεων ώμου, γόνατος, ισχίου και ποδοκνημικής. Ταυτόχρονα, στο ιατρείο του παρακολουθούνται και περιστατικά που αντιμετωπίζονται συντηρητικά.

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.

Tsimplakis Mixalis is an Orthopedic Surgeon - Sports Medicine Specialist, Deputy Director of the 8th Orthopedic Clinic at Metropolitan General, and maintains a private practice in Nea Smyrni. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Shoulder Arthroscopic Surgery at the 401 General Military Hospital of Athens. He has particular expertise in knee arthroplasty, meniscal arthroscopy, chondropathy arthroscopy, shoulder arthroscopy, osteoporosis management, as well as monitoring kyphosis, scoliosis, and fractures. Additionally, he collaborates with the Medical Center of Palaio Faliro, BioClinic of Piraeus, and Doctors Hospital. Finally, the physician has contributed to scientific publications both in Greece and internationally.

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.