Product quality and safety tester Intertek has announced the departure of long-standing finance chief Bill Spencer, who'll be replaced by BG's Lloyd Pitchford.Spencer, who'll retire at the end of March after 18 years at Intertek, was chief number cruncher for 15 of them and saw through the management buy out and acquisition by Charterhouse Development Capital in 1996 and the stock market float in 2002.His replacement, Pitchford, has worked at oil and gas giant BG for ten years and been group financial controller for half that time.'Lloyd's extensive international and management experience within large, complex and growing organisations will ensure that Intertek can continue to explore exciting opportunities across global markets,' said Intertek boss Wolfhart Hauser.The effective date of the changes has yet to be confirmed.