(ShareCast News) - City of London Group finance director Howard Goodbourn has decided to step down, the AIM-listed company confirmed on Friday.In a statement, COLG said Goodbourn would be leaving on 18 March to pursue "full-time business interests."While he has been the FD for the past four years, Goodbourn's role has not been full-time since 30 September.He will not be directly replaced, the company said. Rather, his duties will be assumed by other COLG staff.COLG's two investee businesses - Credit Asset Management Limited and Trade Finance Partners Limited - continue to have their own full-time finance directors.At 1641 GMT, COLG's share price was unchanged at 10p.