Rombauer Vineyards is a well-established winery in California, founded in 1980 by Koerner and Joan Rombauer. Located primarily in Napa Valley, with additional vineyards in Sonoma County and the Sierra Foothills, the winery is celebrated for its fruit-driven wines, particularly its California-style Chardonnay and Cabernet Sauvignon.

The winery began in a garage and has since expanded to about 350 hectares of vineyards, producing around five million bottles annually. Rombauer Vineyards offers a range of wines, including Chardonnay, Cabernet Sauvignon, Sauvignon Blanc, and Zinfandel, with a focus on quality and consistency through a blend of traditional and modern winemaking techniques. The winery is also known for its warm hospitality and memorable tasting experiences, fostering connections with wine enthusiasts. Rombauer's wines appeal to a diverse customer base, from casual drinkers to collectors, and the brand carries a unique heritage linked to the culinary world through its founder's family history.