Allan Watson has resigned as chief financial officer of retinal imaging company Optos. The firm has confirmed that he will leave on 31 August 2009 to take up the same role at ProStrakan.
Christopher Kinsella has resigned as finance director of Dyson. He has been replaced by Julian Cooper, a former partner of Arthur Andersen, until a fulltime replacement has been appointed. Cooper is a management consultant and has been advising the board of Dyson during the past few weeks.
Mike Brennan has been appointed chief financial officer of Filtronic. He replaces Stephen Mole, who will step down from the CFO role at the communications firm at the end of September. Brennan was previously FD of GTL Resources.