Calistoga, Calif.—Kirk Venge joined Summers Estate Winery as consulting winemaker. Venge will work with winemaker Ignacio Blancas on the winery's Bordeaux varietals. Venge is also the winemaker and owner of Venge Vineyards, which is father Nils Venge founded in 1976. Summers Estate Winery, which is owned by Jim and Beth Summers, is celebrating its 20th year and is known for producing a Charbono varietal from its estate vineyard.