Orthopaedic - Orthopaedic Surgeons

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.

Dimitrios Mpazios is an Orthopedic Surgeon - Traumatologist with a private practice in Peristeri. He is a graduate of the Medical School of the University of Ioannina. The doctor specializes in arthroplasty, arthroscopy, sports injuries, spinal disorders, pediatric orthopedics, and traumatology. Additionally, patients can visit his modern clinic for conditions such as sports injuries, cervical syndrome, sciatica, shoulder dislocation, anterior cruciate ligament and meniscus tears, spinal stenosis, scoliosis and kyphosis, osteoarthritis of the knee, hip, and shoulder, herniated disc, among others. Finally, his specialized services include meniscus, cruciate ligament, and chondropathy arthroscopy, osteoporosis screening, intra-articular injections, cast application, as well as monitoring of kyphosis, spondylolysis, and spondylolisthesis.

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.

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. Kseidakis Stylianos, MD, MSc, is an Orthopedic Surgeon with private practices in Katerini and Aiginio, Pieria. He completed his studies in Surgical Orthopedics at the Enzensberger Orthopedic Center in Germany and has further specialized in Emergency Medical Traumatology. He possesses extensive surgical experience, having served as a collaborator in clinics both in Germany and Greece. He manages cases across the entire spectrum of orthopedics, with particular expertise in sports injuries, arthroscopic surgery, reconstructive surgery, as well as microsurgery of the foot and hand.

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.

Myriokefalitakis Emmanouil is an Orthopedic Surgeon - Sports Medicine Specialist with a private practice in Peristeri since 2011. He graduated from the Medical School of Aristotle University of Thessaloniki and has completed the postgraduate program "Health Unit Management" at the School of Social Sciences of the Hellenic Open University. He specialized in Orthopedic Surgery at the General Hospital of Athens "G. Gennimatas" and in Pediatric Orthopedics at the General Children's Hospital of Athens "P. & A. Kyriakou". He has served as a collaborating physician for the Women's Basketball Team Esperides, as well as the Men's Basketball Team of Olympiacos for 4 years. Additionally, he is the Head of the medical team of G.S. Peristeri and responsible for all the club’s academies, and he is a Lecturer in paramedical courses at IEK Peristeri, Haidari, Acharnes, and Korydallos. He has numerous participations in Greek and international conferences, seminars, and workshops with many presentations, as well as publications in Greek and international journals. Finally, he is a member of the Hellenic Society of Orthopedic Surgery & Traumatology, the Hellenic Arthroscopy Society, and the Hellenic Society for the Study of Bone Metabolism.

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.

Nikolas Bourganos is an Orthopedic Surgeon-Traumatologist at Children's Orthopedic Clinic of Athens Pediatric Center. He is also an external associate of General Orthopedics at Athens Medical Center. He maintains a private practice in Cholargos, Athens. He graduated from Medical School of Larissa and is a PhD candidate of Athens Medical School. He specialized at Amfissa Hospital for one year, where he came into contact and treated a number of sports related injuries. Affterwards, he continued his specialty at KAT Attica General Hospital. During his residency he specialized in Microsurgery and Hand Surgery in the homonymous department of KAT General Hospital, as well as in Children's Orthopedics at Pendeli's Children's Hospital. He has participated in many seminars and conferences in Greece and abroad, while he has publications in international journals. He is a member of the SITEMSH and ISSS global organizations that specialize in treatment and prevention of injuries during Skiing and Snowboarding, while he has carried out publications and presentations focusing on the above mentioned injuries of children, adolescents and adults.

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.

Georgios Papadimitriou MD, MSc, FEBOT is an Orthopedic Surgeon, graduate of the Medical School of the University of Crete, and maintains a private practice in Glyfada. He completed his specialization in General Surgery at Corfu General Hospital (2013-2014) and began his specialization in Orthopedic Surgery & Traumatology at Chalkida General Hospital (2014–2016). He continued and completed his specialization at KAT General Hospital of Athens (2017-2021), where he gained specialized experience in the surgical management of complex fractures, chronic conditions, and deformities of the upper and lower limbs. During his specialty training, he was trained in the Hand-Upper Limb-Microsurgery Department and the Scoliosis and Spine Department at KAT General Hospital of Athens, and received pediatric orthopedic training at the "Agia Sofia" Children's Hospital. In 2021, he obtained a master's degree (Master of Science, MSc) in "Sports and Health" after completing a two-year program at the Medical School of Athens, graduating with distinction. Following written and oral examinations in 2021, he was recognized by the European Board of Orthopaedics and Traumatology (EBOT/UEMS) as a Fellow of the European Board of Orthopaedics and Traumatology (FEBOT) in Lisbon. He actively participates in national and international conferences and educational seminars, as well as research activities. Additionally, he is a member of the Hellenic Orthopedic Society (E.E.CH.O.T.) and the General Medical Council of Great Britain (G.M.C.).

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.

Tsoutsanis Georgios is an Orthopedic Surgeon with private clinics in Petralona and Agios Ioannis Rentis. He trained at the Naval Hospital of Athens and the General Hospital "Asklipieio" of Voula, and has attended training seminars in Arthroplasty techniques, Arthroscopy, and Sports Injuries. He possesses the experience and knowledge for the proper and comprehensive management of a range of related conditions, including sports injuries, foot disorders, spinal diseases, osteoporosis, arthritis - osteoarthritis, and others. In both clinics, all necessary examinations are performed to contribute to the accurate diagnosis of each patient’s condition.

Emmanouil Skotidis is an Orthopedic Surgeon specializing in the diagnosis and treatment of musculoskeletal disorders, with an emphasis on degenerative joint diseases, hip arthroplasty, and knee arthroplasty. He maintains a private practice in Porto Rafti. He systematically works with total hip arthroplasty using the anterior approach, a modern, minimally invasive technique that allows for faster mobilization, reduced postoperative pain, and quicker return to daily activities. Additionally, he performs total knee arthroplasty to address severe osteoarthritis and chronic knee pain, utilizing personalized surgical planning. His expertise also includes traumatology of the upper and lower extremities as well as the management of sports injuries, both through conservative treatment and surgical reconstruction when indicated. He conducts comprehensive orthopedic examinations of the upper extremity aimed at accurate diagnosis and rational treatment. Furthermore, he provides osteoporosis screening and management, focusing on fracture prevention and the maintenance of functionality. His approach is based on contemporary medical knowledge, evidence-based decision-making, and thorough patient education.

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.

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

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.

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.

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.

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.