Darach qualified in 2001 from Dublin Dental Hospital in Trinity College Dublin.
He joined the practice in 2006 having previously worked in his home town of Portadown, Keady and Warrenpoint. Valuable experience was also gained in the emergency dental clinic of Craigavon Area Hospital over those 5 years. His areas of interest in dentistry cover crown and bridgework, root canal treatments, cosmetic dentistry and paediatric dentistry (children of 2+ years). He is a member of the Irish and British Dental Associations and regularly attends courses to further his knowledge and experience.