The National Precast Concrete Association's Immediate Past Chairman Joan Blecha and current Chairman Dan Barbour come from different sides of the precast industry spectrum – one is a corporate executive and the other runs a family-owned business – but where they differ in background they make up for it in their paralleled visions for the precast industry. So it was appropriate that the changing of the NPCA guard happened in the nation’s middle at the 41st Annual Convention in St. Louis Nov. 4.