Originally from South Wales, Mark qualified in Bristol in 2000 and worked mainly in Frenchay Hospital, initially doing Medicine, ITU and ED. He started anaesthetic training in 2004 and then moved back to Wales in 2006. In 2011, Mark became a consultant in Ysbyty Gwynedd and joined the Army Reserves (203 Field Hospital) in 2012. He deployed to Afghanistan in 2014 as consultant anaesthetist in the Role 3 hospital, Camp Bastion. Mark joined EMRTS in 2016 and became Deputy Lead for Caernarfon in May 2017 in order to help expand the service into the Caernarfon base (North Wales).