Dr PO Collinson is Consultant and Director of Chemical Pathology at St George’s Hospital, London. He was appointed Consultant at the Mayday Hospital, Croydon in 1992. At the Mayday he was responsible for the cardiac prevention services and development of policies, together with cardiologists, accident and emergency (A&E) consultants and local health authorities (HA) for integrated chest pain management and the local plan for cardiac services. He has undertaken four sessions of clinical work covering vascular risk management and family history clinics at St George’s Hospital in the Department of Cardiology. He studied at St Catharine’s College, Cambridge (medicine and biochemistry) before transferring to St Thomas’ Hospital, London to complete clinical training. He graduated with an MA (biochemistry) and MB BChir (medicine and surgery) from Cambridge. He subsequently trained in general pathology (St Thomas’ Hospital, London) with a specialisation in chemical pathology (Royal Free Hospital, London). He completed a period of further training in metabolic medicine at the West Middlesex Hospital (endocrinology, hyperlipidaemia, intensive care and total parenteral nutrition). Dr Collinson gained an MD (PhD) from Cambridge in 1994 with a doctoral thesis on the rapid diagnosis of myocardial infarction.