Transfield Services Limited (TSE) announced the appointments of Tiernan O’Rourke as chief financial officer and Matthew Irwin to the new role of chief executive, Investments. The company said the appointments are focussed on increasing shareholder value by reinvigorating the company’s competitive position within the global market that it operates. Mr O’Rourke’s most recent role was CFO at Australand, while he has also held senior positions at AGL Limited, Westfield Holdings Limited, CSR Limited and Brambles Australia Limited. Transfield said in his new role, Mr Irwin would seek to optimise the competitive position of the company’s portfolio of assets. The company said both appointments would commence from 11 January 2010.