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Robert Biale Vineyards is a family-owned California winery founded in 1991 by Aldo and Robert Biale with Dave Pramuk. Rooted in old, non-irrigated Zinfandel vines, the estate has remained family-centric, with Bob Biale as owner and the winery operated by Bob Biale and Dave Pramuk. Its range is centered on Zinfandel and also includes Petite Sirah, Syrah, Sangiovese, Barbera, Rhône blends, and Sauvignon Blanc. Winemaking is led by David Natali, with Kevin Powell also noted as working with the family. No sustainability certifications or specific environmental practices are reported.