Closed circuit TV systems firm Vislink today confirmed that chief executive Duncan Lewis is to stand down on 31 March, at the end of the first quarter, after more than two years in the role. "The Board has agreed that John Hawkins will take over his responsibilities as interim CEO immediately on Duncan's departure. This will be in addition to taking on the role of chairman following the AGM in May as previously announced," Vislink said in a company statement.Lewis commented positively on his time with the firm, "despite the vicissitudes of repositioning the group at the end of the biggest contract in its history and in the jaws of the recession."