Jason Bull received his winemaking education at Fresno State and began his career in 1988 at Dry Creek Vineyards. Later he worked at Flora Springs, Paradigm, Screaming Eagle and Grace Family Wines with Heidi Barrett, Von Strasser, Domain Danica, and Laurel Ridge Winery in Oregon. He spent four years at Laurel Ridge then moved to David Hill Winery where he currently crafts wine for several small producers (La Dolce Vita, Kason Vineyards, Meier Farms Vineyards and Zimri Cellars). The Zimri Cellars label was established in 2008 and is marketed under the parent company, J Bull Wines.
A Pinot Noir is offered from Chehalem Mountains Vineyards.