Ray Duncan, American businessman (born 1930)

Raymond Twomey Duncan known as Ray Duncan was an American entrepreneur and vintner. Originally involved in oil entrepreneurship in Colorado and founder of Duncan Oil, he was the founder along with Justin Meyer of Silver Oak Cellars in 1972, a successful winery based in the Napa Valley and Alexander Valley. Today his sons David Duncan and Tim Duncan run Silver Oak Cellars, as well as Twomey Cellars. Duncan established the Durango Mountain "Purgatory" Ski Resort in 1965 and was chairman of the board for the ski industry organization Colorado Ski Country USA. He was inducted into the Colorado Ski and Snowboard Hall of Fame in 2006.