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Mr Gikas completed his medical and postgraduate training in London and specialises in primary and revision hip and knee arthroplasty, knee cartilage injuries and the surgical management of primary and metastatic bone cancer.

He completed a Seddon Travelling Fellowship in orthopaedic oncology at the Royal Prince Alfred Hospital in Sydney where he further developed his specialist skills in management of bone tumours. He has also completed a clinical fellowship in Geneva in developing the use of the anterior muscle sparing approach to the hip joint before taking up a consultant post at the world renowned Royal National Orthopaedic Hospital.

Mr Gikas’ clinical and research endeavours have centred around hip and knee reconstruction and treatment of bone and soft tissue cancer. He has presented and published widely on various aspects of hip, knee and bone cancer surgery and continues to lead clinical and laboratory research in these fields.

Outside of work he is an avid traveller, and enjoys sailing and water-skiing. Mr Gikas is a fluent speaker of Greek.


Mr Gikas specialises in primary and revision hip and knee reconstruction, and the treatment of bone and soft tissue tumours.

His joint reconstruction practice includes use of the anterior muscle sparing approach to the hip joint, custom-made implants & instruments, robotic joint surgery, arthroscopic knee surgery and stem cell & cartilage implant surgery.

His bone and soft tumour practice includes excision of malignant and benign tumours of the bone and soft tissues, including massive endoprosthetic and bespoke joint replacement. His tumour work is done in conjunction with the London Sarcoma Service.

Research & Training


Throughout his career Mr Gikas has displayed a strong passion and talent in clinical research and has published and presented widely in the field of orthopaedic surgery. He has both an MD and PhD for research in orthopaedic and general surgery.

He has been the recipient of several grants for his research and has been awarded a number of competitive academic prizes throughout his career.

He is a named author of 7 book chapters and over 30 peer-reviewed research papers, several of which have been adopted into current national guidelines for management of cartilage defects of the knee joint.

His current research is focussing on development of the next generation of endoprosthetic joint replacements for tumour and complex revision surgery, as well as novel applications of photodynamic therapy in prevention of infection.


Mr Gikas is heavily involved in the academic teaching and training of future orthopaedic surgeons and currently organises the London North Thames Orthopaedic Specialty Teaching Programme.

He also mentors junior surgeons in the clinical setting, and supervises PhD students based at the Royal National Orthopaedic Hospital in conjunction with the University of Portsmouth.

Mr Gikas is an honorary lecturer at University College London and delivers teaching on the Musculoskeletal Sciences BSc and MSc courses.

Professional Memberships

Mr Gikas is on the Specialty Register of the General Medical Council and is a Fellow of the Royal College of Surgeons of England, he is also a member of several orthopaedic organisations and societies including:

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