BR Cohn Winery & Olive Hill Estate Vineyards was founded by Bruce Cohn in Sonoma Valley in 1984. We produce ultra-premium Cabernet Sauvignon, Pinot Noir, Merlot, Chardonnay, Zinfandel and Picholine olive oil. BR Cohn Olive Oil Co. makes world-class California olive oil, vinegars & gourmet foods.