Dr Ratnavel works privately and within the NHS in London, Amersham, Beaconsfield, Marlow, and Gerrards Cross. He graduated from Trinity College, Oxford, prior to clinical training at teaching hospitals in London and Cambridge. He has was formerly clinical director at Buckshealthcare NHS Trust (Amersham, Wycombe, Stoke Mandeville) and clinical lead for the provision of skin cancer services in the region. Special interests include the medical and surgical treatment of skin cancers and the diagnosis, management of inflammatory skin eruptions (skin rashes) in Children and Adults.