Opus One was founded by Baron Philippe de Rothschild of Château Mouton Rothschild in Pauillac, France, and renowned Napa Valley vintner Robert Mondavi. By combining the great winemaking traditions and innovations of both families, the founders' singular goal was to create an exceptional wine in the heart of Napa Valley. Opus One, like any great work, arose of out passion. Dedicated to uncompromised quality, Opus One's sole purpose is to express this vision and passionate spirit for generations to come.