Napa, Calif.—Diageo Chateau & Estate Wines announced the appointment of Adolfo Alarcon as winemaker for Acacia Vineyard. Alarcon will work alongside fellow senior winemaker Matthew Glynn at the winery in the Carneros AVA and continue to work as winemaker of Orogeny Vineyard in the Russian River Valley AVA of Sonoma County. Alarcon joined Diageo in 2012 to oversee the company’s bottling operations for its wineries in California’s North and Central coast regions.