Sebastopol, Calif.—Jason Kesner was promoted to the position of winemaker at Kistler Vineyards. Kesner joined the winery in 2008 after overseeing vineyard operations at Hudson Vineyards in Napa, Calif. “This promotion is a recognition of the progress Jason has made over the last six harvests at Kistler,” said Steve Kistler. “I look forward to continue working with Jason at Kistler for years to come.”