New Zealand’s Marisco Vineyards has overhauled its business by appointing a new winemaker and deciding to bottle a range of wines in screen-printed glass. Liam McElhinney is leaving the estate after working as winemaker for four years, to be replaced by Matt Mitchell, a 20-year veteran winemaker formerly of Ager Sectus and Yealands. The vineyard’s owner and chief winemaker Brent Marris, who graduated from the…