Deltex Medical has appointed its former auditor of nearly four years as its new finance director.Jonathan Shaw, a member of the Financial Reporting Review Panel and specialist business mentor for Prince Charles' charity The Prince's Trust, will assume the role on 1 September.Previously, Shaw had worked with PricewaterhouseCoopers and Grant Thornton at senior manager level."Jonathan knows our business well and has a wealth of management and financial reporting experience that will help us develop our business as we grow internationally," said Deltex's medical chairman Nigel Keen.As of 9:00 BST, Deltex was trading 1.9% lower at 6.5p.