Quattro Theory

Quattro Theory is the embodiment of winemaker Landon Donley’s four essential elements: Vision, Vineyards, Winemaking, and Experience. His meticulous approach results in wines of exceptional quality, sourced primarily from estate vineyards in the southern end of Napa Valley, with a select contribution from a trusted Carneros grower. With over a decade of Napa Valley winemaking experience, Landon crafts wines that highlight site expression and precision. Utilizing a state-of-the-art, luxury-focused winery in St. Helena, he employs purposeful, block-specific yeast selections to enhance vineyard and varietal character, adding depth and complexity. Quattro Theory wines are vibrant, fresh, and impeccably balanced, featuring structured tannins, a composed oak profile, and bright acidity—preserving varietal integrity while delivering a seamless tasting experience.