Ceritas was started in 2005 by John Raytek and Phoebe Bass. The husband and wife team make wine from vineyard sources in the Santa Cruz Mountains, the west Sonoma Coast and Anderson Valley. Raytek is the winemaker and Bass, who grew up in a family that owns and manages vineyards, directs the farming operations for each Ceritas vineyard. Of particular note is Ceritas’ relationship with the Peter Martin Ray vineyards in the Santa Cruz Mountains. The historic vineyard dates to the 1940s and was the source for some of the earliest and most celebrated Chardonnay in California. Ceritas also sources grapes from Porter Bass vineyard on the Sonoma Coast, which is owned by Bass’ parents. Ceritas makes limited production Chardonnay and Pinot Noir, available primarily through Ceritas mailing list. The winery is in Santa Rosa.