The chief finance officer (CFO) who led Filtronic through periods of "significant growth and expansion" has revealed he is to leave the Shipley-headquartered electronics manufacturer next year.<br /><br />The designer of microwave electronic equipment for telecoms infrastructure said that Mike Brennan has informed it of his intention to step down as a director and to leave the company he joined in 2009 as CFO.<br /><br />Filtronic chief executive Alan Needle said: "It has been a pleasure to work with Mike. We are grateful for his loyalty, dedication and commitment to Filtronic over his term as CFO and I have appreciated his contribution and support over the years as well as his desire to ensure an orderly handover.<br /><br />"On behalf of the senior management team and the whole group, I wish Mike every success in the future."<br /><br />Chairman Howard Ford thanked Brennan for his effective control of Filtronic's finances through a period of growth and expansion in the UK and overseas.<br />