Edinburgh Woollen Mill has lost John Rayson, managing director of its high street operations, Retail Week reported today.Rayson, who joined in June last year, was previously managing director of Fosters Trading Company.He was unavailable for comment, but chief executive Colin Birrell said Rayson had left for personal reasons and it was an amicable parting. It is understood that family commitments and uncertainty over the future of the Edinburgh Woollen Mill business, which is currently being touted for sale, prompted Rayson's decision to leave. Birrell has assumed Rayson's responsibilities, and is interested in an MBO of the business.