Abreu Vineyards is a winery in Napa Valley, California founded by the viticulturist David Abreu. He became recognized as a botanist as well as a viticulturist. He joined Cloudy Bay in 2011 as company viticulturist. By 1999 he was considered the premier viticulturist for premium grapes in Napa Valley. Sarah Jane Courtney (born 1979) is an Australian financial analyst, viticulturist and politician. His uncle, Friedrich Theodor, a German pioneer of Illinois, was an early American viticulturist. Moser also became a viticulturist, cultivating different varieties of grapes. In 2004, University of California, Davis graduate Toby Halkovich was hired as viticulturist. Ovid hired viticulturist David Abreu as the vineyard manager upon its inception. S.E Leighton, a later life Viticulturist, educated externally by Charles Sturt University, Wagga Wagga, NSW.