Gary Smith is a Visiting Professor at the Bournemouth University. He has a long-standing interest in the early recognition of, and the response to, patient deterioration, and the prevention of cardiac arrest. He has contributed to guidance and reports in these fields from RC (UK), European Resuscitation Council, National Patient Safety Agency, National Institute for Clinical Excellence, Department of Health and Royal College of Physicians of London (RCPL). He co-developed the Acute Life-Threatening Recognition and Treatment (ALERT) course, and contributed to the development of the Care of the Critically Ill Surgical Patient (CCrISP) and Ill Medical Patients Acute Care & Treatment (IMPACT) courses. He was a member of the RCPL group that developed the National Early Warning Score (NEWS). He described the ‘Chain of Prevention’ and led the clinical team that developed a hand-held, computer-based system (VitalPAC) for the early recognition of patient deterioration. Gary served on the RC (UK) Executive Committee between 2002-2010 and 2011-2015. He is a member of the National Cardiac Arrest Audit (NCAA) steering committee.