After graduating, Mark spent 2 years in a large mixed practice before returning to Leahurst to take up a 3 year Home of Rest for Horses residency in equine anaesthesia and cardiology, during which time he obtained his RCVS Certificate in Veterinary Anaesthesia. After the residency, Mark remained at Leahurst as a clinical anaesthetist and was appointed Lecturer in Veterinary Anaesthesia in September 2002. Mark became an ECVAA Diplomate in 2004. Since January 2005 Mark has been on a three year research leave whilst he undertook a PhD thesis studying endotoxaemia in horses. For some reason he never quite understands at 3 am in colic theatre, Mark remained on the out-of-hours rota in order to ‘keep his hand in’. In January 2008 Mark returned to clinical work as Lecturer in Anaesthesia, and was appointed Senior Lecturer in 2011. Mark’s main research interests are inate immunity and clinical research interests are peri-operative morbidities and mortalities.