Personal care products group McBride is looking for a new chief executive after Miles Roberts tendered his resignation to take up the same position at cardboard and paper supplier DS Smith.DS Smith said Roberts, who has a twelve-month notice period at McBride, is expected to take up his position during the first quarter of 2010.Meanwhile, McBride said a search for a successor, which includes both internal and external candidates, is underway but is not expected to result in any appointment until 2010.