Ray is chair of an NHS R&D Academic Unit in Oxford and directs a programme for the UK Government Department of Health which provides analysis, reviews and advice to the NHS on PRO measures.
Ray’s research focuses on evaluation of health services and treatments, particularly interventions for chronic diseases. He collaborates with colleagues in Nuffield Orthopaedic Centre in a number of trials of alternative forms of surgery.
Ray is part of the world-class team that developed the Oxford orthopaedic patient-reported outcome measures, namely the Oxford Hip, Knee, Shoulder and Elbow scores, and the Oxford shoulder instability score. Ray is also a co-developer of the Oxford Parkinson’s Disease Questionnaire. Ray was elected to Fellow of the Academy of Medical Sciences in 2008.