1. Tutor and Research Fellow in Anaesthesia, Department of Anaesthesia, Mater Misericordiae University Hospital.
2. Staff Biostatistician, Departments of Quantitative Health Sciences and Outcomes Research, The Cleveland Clinic.
3. Professor of Anaesthesia, Mater Misericordiae University Hospital and University College Dublin.
4. Professor of Surgery, University College Dublin, and Consultant Surgeon, Mater Misericordiae University Hospital.
5. Chair, Department of Outcomes Research, The Cleveland Clinic.
6. Consultant in Anaesthesia, National Cancer Screening Service Eccles Unit and Mater Misericordiae University Hospital.