Elfab Ltd, the pressure-relief systems manufacturer, has announced two key appointments. Stephen Grinsell becomes Sales & Marketing Director while Russell Trotter takes over as Director of Manufacturing. Stephen Grinsell, formerly Commercial Manager with Corus Northern Engineering Services, becomes Sales & Marketing Director. Meanwhile, Russell Trotter moves from the Viasystems Group, where he was Engineering Manager, to take over as Director of Manufacturing. Both bring more than 15 years’ experience within the manufacturing engineering sector to their respective roles.