Mark joined the National Health Service in 1978 and worked for the Mid Glamorgan Health Authority Supplies Department, later moving to WHTSO (which became the Welsh Health Common Services Authority).
In 1980, he joined the North West Regional Health Authority as a purchaser at Trafford Park Hospital. Following a move back to Wales as Head of Purchasing in East Dyfed Health Authority, he returned to WHCSA as Director of Materials Management with the creation of the Procurement Group in Wales. In 1996, he served as Director of Welsh Health Supplies following the market testing of the Contracting and Supply Chain services.
In 2011, Mark was appointed as the Director of the Procurement Division of the NHS Wales Shared Services Partnership. The Division has over 500 staff across locations the length and breadth of Wales covering Sourcing, Supply Chain, Accounts Payable, Purchasing and Capital. Mark also has the responsibility for the Health Courier Service, following its transfer into NWSSP from Welsh Ambulance Service. Mark retired from this post in 2019 to take up the role of Programme Director focusing initially on Brexit and latterly the COVID Pandemic.
In 2012, Mark was honoured for a lifetime of outstanding achievement at the National Government Opportunities (GO) Excellence in Public Procurement Awards. He was recognised for his part in driving forward public procurement and making a real difference within the profession over an extended period of time and in 2017 he was awarded with a MBE.
Mark is Chair of Trustees for the HCSA and also a Trustee of the Wales Quality Centre.