Siobhán is Primary Investigator with the National University of Ireland Galway for Health Research Board project OHCABEP2, (Out-of-Hospital Cardiac Arrest and Community First Response in Ireland: Building Evidence for Policy and Practice), and has recently her completed PhD studies in cardiac arrest epidemiology. Siobhán is a member of the Study Management Team for the European Registry of Cardiac Arrest (EuReCa) and has authored over 20 peer-reviewed publications relating to cardiac arrest epidemiology and has joined the writing team for the new epidemiology chapter of the ERC 2020 Guidelines. Siobhán now works with the National Ambulance Service as Service Lead for Clinical Strategy and Evaluation, and was the Project Manager for the National OHCA Strategy, and Manager of the Irish National Out-of-Hospital Cardiac Arrest Register (OHCAR).