US: CRH-subsidiary Ash Grove Cement has appointed Fernando Valencia as Vice President of Manufacturing – Central Ashgrove. He previously worked as a plant manager at LafargeHolcim’s Ste Genevieve plant in Missouri and the Portland Plant at Florence in Colorado. Prior to this he was the plant manager of Holcim US’ Hagerstown Plant in Maryland and also worked as a commissioning manager. Valencia holds a degree in mechanical engineering from the Anahuac University Network and a master’s degree in business administration from the University of Missouri - St Louis.