(ShareCast News) - Video surveillance systems producer IndigoVision announced on Friday that Chris Lea had joined its board with immediate effect, and was gearing up to take over as its chief financial officer.The AIM-traded company said Lea will take over from Holly McComb as finance chief from 1 June.IndigoVision had previously announced the departure of McComb from the board and the company on 21 March.On Friday, it said Lea will spend the month of June transitioning into his new role, while also remaining an executive board member at Superglass Holdings until he steps down there at the end of June.The market's reaction to the news was not all positive, however, with shares in IndigoVision down 1.93% at 137.79p at 1135 BST.