Mark, trained and qualified as a chartered accountant with Deloitte Haskins & Sells. After qualifying, Mark became a lecturer at Caer Rhun Hall, North Wales, specialising in financial accounting, taxation, executorship and trust accounting. After some time in London where he was the co-founder and finance director of three public companies, he returned to private practice and training where he is a now visiting lecturer at Bangor University Business School and Central Law Training (STEP). His practice base comprises private client and small to medium businesses with related taxation; and probate.