Mr Sean O'Leary's profile picture

Mr Sean O'Leary

Consultant Orthopaedic Surgeon



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Professional profile

Sean's early medical training (1983-9) was at Cambridge University (Fitzwilliam College) and St Mary's Hospital, Paddington. His specialist orthopaedic training began in 1995 on the NW Thames rotation (London) and culminated in 2000 with Fellowships in knee arthroplasty (replacement) and knee ligament reconstruction at Monash Medical Centre, Melbourne and The Prince of Wales Hospital, Sydney, Australia. He started as a consultant at the Royal Berkshire Hospital in January 2002.

He specialises in all aspects of knee surgery including arthroscopic (key-hole) surgery, ligament (ACL) reconstruction, realignment surgery (osteotomy) and partial / total joint replacement. With his extensive sporting background he also has a strong interest in sports knee injuries and their management.

Personal profile

Most of his early years were spent training and playing various sports which included athletics (National schools 400m hurdles) and basketball (National League with Plymouth Raiders).

He went on to spend 13 years playing first class rugby with Wasps, Bath and Saracens gaining representative honours for Middlesex, London division, the Barbarians, England 'B' team (1988-91) and the 1991 England World Cup squad.

More recently he has turned his attentions to indoor rowing (British Indoor Championship), cycling and the occasional real ale.

Current NHS or research position

Consultant Orthopaedic Surgeon at the Royal Berkshire NHS Foundation Trust, Reading (Clinical Director 2011/12)

Year of first medical qualification


Special clinical interests

Sean has a particular interest in the ‘younger’ arthritic knee and the evolving 'joint preserving' surgical techniques such as osteotomy (leg realignment) and partial joint replacements.

He was invited to be the lead surgeon in a redesign of the instrumentation for the LINK St Georg unicompartmental knee replacement (which has been his choice of implant since 2003) and has recently rewritten the surgical technique manual.

He hosts regular international instructional courses in Hamburg for consultants and Circle Reading is a specialist centre for this particular procedure.

He also has a significant interest in the recovery and outcomes of anterior cruciate ligament (ACL) reconstruction and helped to establish the (UK) National Ligament Registry in 2013. This is a national initiative to monitor and report on the outcomes of all ACL reconstructions in the UK ( He was Chairman from 2013-16 and remains on the Steering group.

Research interests

The role of computer assisted surgery in osteotomy (realignment surgery)
The development of improved rehabilitation techniques following ACL reconstruction which could reduce re injury ratesThe pre-operative assessment of patients with early degenerative disease and the role of gait analysis

Current membership(s) of professional, national and regional bodies

British Orthopaedic Association
British Association for Surgery of the Knee (Executive Board)
National Ligament Registry
European Society of Sports Traumatology, Knee Surgery & Arthroscopy