Orthopaedic - Orthopaedic Surgeons for Κnee arthroplasty in Athens

Mpenakis Leonardos is an Orthopedic Surgeon, Director of the Orthopedic Clinic at Metropolitan Hospital, and maintains a private practice in Vrilissia. He graduated from the Medical School of Democritus University of Thrace, where he was admitted through national university entrance examinations. He received a Scholarship from the Hellenic Society of Orthopedic Surgery and Traumatology (E.E.CH.O.T.) for the first Forte Summer School in 2016. Additionally, he was awarded a scholarship from the Hellenic Arthroscopy Society (E.A.E.) for the Travelling Fellowship in 2017. He has participated in numerous international conferences, specialized seminars on new techniques, and educational courses. He has also served as Director of the Orthopedic Clinic at Euroclinic Athens and was among the first Orthopedic Surgeons in Greece trained in total hip arthroplasty using the minimally invasive SuperPath approach during its introduction in 2016. He undertakes arthroscopic repair of sports injuries in cases unresponsive to conservative treatment. The clinic offers the possibility of biological therapies with platelet-rich plasma.

Ο Χριστοδούλου Ευάγγελος είναι Ορθοπαιδικός - Ορθοπαιδικός Χειρουργός -Τραυματολόγος και διατηρεί ιατρείο εντός του πολυϊατρείου Top Meds στην Νέα Σμύρνη και στα Κάτω Πατήσια.Κατέχει θέση Επιμελητή Α’ στο Νοσοκομείο ΚΑΤ. Έχει μεγάλη εμπειρία στις αρθροπλαστικές ισχίου και γόνατος με χρήση ρομποτικών συστημάτων και συστημάτων πλοήγησης. Αντιμετωπίζει όλο το φάσμα της καταγματολογίας και αρθροσκοπικών επεμβάσεων. Επιπλέον εφαρμόζει συντηρητικές αναγεννητικές θεραπείες με χρήση PRP και βλαστοκυττάρων.

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).

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.

Papoutsis Konstantinos MD, FEBOT, FRCS (Tr&Orth) is a Military Physician, Orthopedic Surgeon, Traumatologist, and maintains a private practice in Panormou. He is a Consultant at the Orthopedic Clinic of the Naval Hospital of Athens. He graduated from the Medical Department of the Military School of Corps Officers and holds a degree from the Medical School of Aristotle University of Thessaloniki. He trained in both surgical and non-surgical management of the full spectrum of orthopedic conditions initially at the Naval Hospital of Athens and subsequently in London, where he spent a total of six years. He completed his specialty training in Orthopedic Traumatology, earning fellowships from the Royal College of Surgeons of England and the European Board of Orthopaedics and Traumatology following specialized examinations. He has specialized in recognized centers in London in Adult Hip and Knee Reconstructive Surgery, management of Hip disorders in Young Adults, and is among the few surgeons in Greece specialized in Trauma Surgery, Fractures, and Pelvic Ring (Pelvis) and Acetabulum Pathologies. Hip and Knee Arthroplasty using the latest minimally invasive, bloodless techniques and fast recovery protocols, revision of painful arthroplasty, arthroscopic surgery of the hip, knee, and shoulder, ligament reconstruction, sports injuries, and fracture surgery are some of the procedures he frequently performs. He is committed to providing high-level healthcare services modeled on the standards of the United Kingdom's health system, with respect for the patient's individuality and dignity. Finally, he collaborates with Metropolitan, Metropolitan General, Mediterraneo Hospital, and the Peristeri Medical Center.

Mpoutsiadis Axilleas is an Orthopedic Surgeon - Military Physician and Doctor of Medicine from the Aristotle University of Thessaloniki, with a private practice located within the Athens Bioclinic. He is a graduate of the Military School of Corps Officers (SSAS) and the Medical School of Aristotle University of Thessaloniki. He specialized at the 424 General Military Hospital of Thessaloniki and the First University Orthopedic Clinic of Papageorgiou General Hospital. He received further training in shoulder and knee surgery (Shoulder and Knee fellowship) and in conducting clinical trials. He possesses extensive clinical experience, having worked in Greece and France. Moreover, he has a significant scientific portfolio reflected in 32 scientific publications in reputable international scientific journals (PubMed) with a substantial impact factor, some of which introduce innovative new techniques concerning arthroscopic shoulder surgery (instability and rotator cuff) and knee surgery (anterior and posterior cruciate ligament reconstruction). He is also the author of five orthopedic book chapters focusing on basic research and shoulder surgery (rotator cuff and shoulder arthroplasties), principal editor of a scientific orthopedic book addressing surgical techniques for the treatment of rotator cuff disorders and shoulder arthroplasties titled “EFOST Surgical Techniques in Sports Medicine - Shoulder Surgery, Volume 2: Rotator Cuff and Shoulder Arthroplasty,” and principal guest editor of a scientific journal issue on shoulder pathology titled “Thematic issue in Shoulder Pathology.” Additionally, he has presented over 100 communications at international and national conferences (winning two awards), participated in the organization of numerous workshops and conferences, and has been invited as a speaker and educator at scientific conferences on shoulder surgery and sports injuries.

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.

Papagiavis Anastasios is an Orthopedic Surgeon specializing in Hip and Knee surgery, maintaining a private practice at Mavili Square and is the founder of the hip-knee team. He obtained his Medical Degree in 2002 and worked as a Military Doctor until 2006 in Athens, Tripoli, and Cyprus. He received advanced training in the specialized treatment of Knee and Hip conditions in the U.S. (Hedley Orthopaedic Institute) and the United Kingdom (City Hospital - Nottingham, Nuffield Orthopaedic Hospital – Oxford, UK). He applies the most innovative SuperPATH MIS technique in Hip Arthroplasty, having been trained by the method’s inventor, Dr. Jimmy Chow. In Knee Surgery, he employs minimally invasive techniques combined with robotic assistance, resulting in rapid recovery with less pain and complications. He undertakes complex cases within his specialty, offering the most modern and effective treatments. His principle is the customization of therapy to the specific characteristics of each patient and the integration of new technological advancements into his surgical practice. More specifically, he performs hip and knee arthroplasty, knee arthroscopy, surgery for cruciate ligament tears - meniscal tears and cartilage defects of the knee, hip fractures, lower limb fracture surgery (femur - tibia), sports injuries, hip and knee arthroplasty revisions, and specialized hip and knee procedures. Finally, the physician serves as Chief Medical Officer at the 401 General Military Hospital and operates at Hygeia Group and other private clinics in Athens.

Ο Δημόπουλος Λεωνίδας MD, MSc είναι Ορθοπαιδικός Χειρουργός και διατηρεί ιδιωτικά ιατρεία στο Κολωνάκι και στην Τρίπολη. Αποφοίτησε από την Ιατρική Σχολή του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών το 2012. Ειδικεύτηκε σε όλο το φάσμα της Ορθοπαιδικής Χειρουργικής και Τραυματολογίας στην Α’ Ορθοπαιδική Κλινική του Πανεπιστημίου Αθηνών, στο Πανεπιστημιακό Γενικό Νοσοκομείο "Αττικόν". Στα πλαίσια της εκπαίδευσής του, διετέλεσε επίσης ειδικευόμενος στην Ορθοπαιδική Παίδων στην Α' Παιδοορθοπαιδική Κλινική του Γενικού Νοσοκομείου Παίδων "Π. & Α. Κυριακού", καθώς επίσης και ειδικευόμενος στην Κλινική Χεριού, Άνω Άκρου και Μικροχειρουργικής του Γενικού Νοσοκομείου Αττικής ΚΑΤ. Ταυτόχρονα με την ειδικότητα της Ορθοπαιδικής παρακολούθησε και το Πρόγραμμα Μεταπτυχιακών Σπουδών του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών με τίτλο "Άθληση και Υγεία", με εξειδίκευση στη διάγνωση και θεραπεία των αθλητικών κακώσεων. Μετά το τέλος της ειδίκευσης του, βρέθηκε στη Νέα Υόρκη στο επί σειρά ετών Νο 1 Νοσοκομείο των ΗΠΑ για ορθοπαιδικές παθήσεις, το Hospital for Special Surgery (HSS), New York, USA, όπου και εξειδικεύτηκε στη επανορθωτική χειρουργική ισχίου και γόνατος ως Academic Visitor to 2019, συμμετέχοντας σε πολυάριθμα ερευνητικά πρωτόκολλα και στην αντιμετώπιση πολύπλοκων περιστατικών του τμήματος SNF Complex Joint Reconstruction Center. Έπειτα έλαβε την επίσημη έμμισθη θέση εξειδίκευσης της Μ. Βρετανίας στη χειρουργική ώμου και αγκώνα (post C.C.T. Clinical Fellowship) στα διεθνώς αναγνωρισμένα κέντρα Queen Elizabeth University Hospital, Birmingham 2020-2021 και Royal Orthopaedic Hospital 2021-2022 όπου εκπαιδεύτηκε στις πλέον σύγχρονες τεχνικές αρθροσκόπησης και αρθροπλαστικής ώμου και αγκώνα, πραγματοποιώντας πολυάριθμες επεμβάσεις τόσο στο γενικό πληθυσμό όσο και σε επαγγελματίες αθλητές. Έχει συμμετάσχει ενεργά σε πληθώρα εγχώριων και διεθνών επιστημονικών συναντήσεων ενώ έχει λάβει πολλαπλές υποτροφίες από εγχώριες και διεθνείς επιστημονικές εταιρείες, έχει πολυάριθμες δημοσιεύσεις επιστημονικών άρθρων σε διεθνή περιοδικά ενώ έχει συμμετάσχει στην εκπαίδευση φοιτητών Ιατρικής στο Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών, καθώς και στο University of Birmingham, MBChB. Ιδιαίτερο επιστημονικό ενδιαφέρον του αποτελούν η αρθροσκοπική χειρουργική ώμου και γόνατος, η ελάχιστης επεμβατικότητας επανορθωτική χειρουργική μεγάλων αρθρώσεων (γόνατος/ισχίου/ώμου) καθώς και η ορθοπαιδική έρευνα. Από το 2022 έχει επιστρέψει στην Ελλάδα, διατηρεί ιατρείο στην Αθήνα και στην Τρίπολη, χειρουργεί στα Νοσοκομεία του Ομίλου Υγεία HHG και έχει σαν στόχο την παροχή υπηρεσιών υψηλού επιπέδου για τους ασθενείς του.

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.

Veves Aristeidis - Ilias is an Orthopedic Surgeon. He holds a degree from the Charles University Medical School in Prague. He specialized in Orthopedic Surgery in Sweden, with a focus on shoulder and knee arthroscopy, microsurgery of the hand and foot, and reconstructive hip surgery. He currently collaborates with hospitals in Sweden. He has a private practice and serves as an Orthopedic Surgeon at Athinaiki Clinic Hospital and the Therapis Private Hospital in Pagrati. He is a member of medical associations in Greece and Sweden, and as part of his lifelong education, he has attended numerous seminars both in Greece and internationally. He employs a contemporary diagnostic approach assisted by musculoskeletal ultrasound. "The goal is always to place the patient at the center; understanding and explaining the problem is paramount before concluding on the therapeutic approach."

Dr. Nikolopoulos Dimitrios is an Orthopedic Surgeon with a private practice in Kolonaki. He holds a PhD and is a graduate of the National and Kapodistrian University of Athens, specializing in arthroscopic repair of Athletic Injuries of the Knee, Hip, Shoulder, and Ankle, as well as in the Management and Surgical Reconstruction of Foot Disorders. Additionally, he has specialized in the Surgical Management of Pathology of the Foot and Ankle Joint, applying the most advanced techniques in Surgical Reconstruction of the Forefoot or Rearfoot, in conditions such as hallux valgus, claw or hammer toes with or without accompanying metatarsal head collapse, or in cases of acquired valgus-flatfoot deformity. Furthermore, he employs minimally invasive techniques for ankle joint pathology, such as arthroscopy. Finally, he is a member of numerous medical associations, including the European Society of Foot and Ankle Surgery and the Hellenic Society of Orthopedic Surgery and Traumatology.

Kakavas Pindaros is an Orthopedic Surgeon at the Athens Medical Center, Chief Physician of the AEK F.C. Football Academy, and maintains a private practice in Neo Psychiko. He holds a Diploma in Sports Injuries from the International Olympic Committee based in Lausanne. He graduated from the Medical School of Aristotle University of Thessaloniki and specialized in Orthopedics at the General Hospital "Evangelismos." Concurrently, he specialized in Upper Limb Microsurgery and Pediatric Orthopedics at the General Hospital of Attica "KAT." He has served as a consultant at the 2nd Sports Injuries Clinic of Euroclinic Athens, Team Doctor for AEK FC (A' Team), Football Academy Doctor for Panathinaikos F.C., and as a member of the medical staff for AEK BC and Panellinios BC. Throughout his career, he has accumulated surgical experience in sports injuries, arthroscopic surgery, total knee and hip arthroplasties, and orthopedic trauma.

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.

Mr. Siopis Xristos is an Orthopedic Surgeon with private practices in Thessaloniki (28 Agias Sofias, 2nd Floor) and Veria (32 El. Venizelou, 3rd Floor). He is a graduate of the Medical School of the University of Thessaly. Since 2021, he has been a Collaborating Surgeon at the A’ Orthopedic Clinic of the Interbalkan Medical Center of Thessaloniki and a direct collaborator of Dr. Stylianos Kapetanakis in the Spine & Deformities Department. Simultaneously, he serves as a Collaborating Physician at the Athens Medical Center in Marousi and Psychiko. He specializes in knee and hip arthroplasties with customized implants, spinal surgery, knee and shoulder arthroscopies, as well as pediatric orthopedics. In his private practices, he provides a wide range of services tailored to the individual needs of each patient, always with respect to the patient himself.

Spyridon Kseinis is an Orthopedic Surgeon maintaining private clinics in Pefki and Psychiko. He is the Deputy Director of the 1st Clinic of Sports Injuries at METROPOLITAN GENERAL and holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens since May 2014, awarded with the grade "Excellent." Since 2008, he has collaborated with the Hellenic Football Federation (EPO) and serves as the physician for the National Futsal Team. Concurrently, he is UEFA-accredited, having completed the "UEFA Football Doctor Education Programme." He is a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the Hellenic Society for the Study of Bone Metabolism. He trained at the General Accident Hospital KAT, specializing in fracture management, reconstructive joint surgery (knee and hip arthroplasty), and sports injuries. Following his specialization, he assumed the position of Registrar at the 2nd Orthopedic Clinic of KAT Hospital, where he remained for four years. During his tenure as Registrar, he gained substantial surgical experience, serving as the lead Orthopedic Surgeon in numerous emergency shifts and successfully performing a large number of surgical interventions across the full spectrum of trauma (upper and lower limb fractures, hip fractures, tendon ruptures, hand surgery), reconstructive surgery (hip and knee arthroplasties), and sports injuries (arthroscopic surgery). Additionally, he received training in Pediatric Orthopedics at the "Agia Sophia" Children's Hospital and in disorders of the Hand during his tenure at the University Hospital "Sahlgrenska University Hospital" in Gothenburg, Sweden.

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.

Mprilakis Emmanouil is an Orthopedic Surgeon who maintains two private practices, in Palaio Faliro and Psychiko. He holds a PhD and is a graduate of the Medical School of the National and Kapodistrian University of Athens. He possesses the "Advanced Trauma Life Support" and “Musculoskeletal Ultrasound” certifications from the American College of Surgeons and the Burwin Institute of Canada, respectively. He specializes in large joint arthroplasty (hip, knee, shoulder), knee and shoulder arthroscopy, and sports injuries. His expertise in the surgery of these joints is attributed to his advanced training in innovative surgical techniques. Additionally, he has served as the Orthopedic Surgeon for the Olympiacos Piraeus women's basketball team (for 2 years) and for "Panionios GS" (for 7 years), and has collaborated with numerous high-level teams and athletes. He is the Deputy Director of the 3rd Orthopedic Clinic at "Hygeia" Hospital and the Athens Center for Arthroscopy and Shoulder Surgery. He serves as the Secretary of the Sports Injuries Department of the Hellenic Society of Orthopedic Surgery and Traumatology and is a member of committees of both the European (ESSKA) and the International (ISAKOS) Societies of Sports Injuries. Finally, he is an active member of 14 Greek and international scientific societies, has published numerous scientific articles and presentations in Greek and international journals, and has delivered lectures at Greek and international sports medicine conferences.

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.