Williams Selyem Winery
Beverage ManufacturingCalifornia, United States11-50 Employees
Williams Selyem Winery is a California-based beverage producer that focuses on Pinot Noir, Chardonnay, and Zinfandel. The winery traces its roots to the first Pinot Noir vintage produced in 1981 and emphasizes collaborative involvement across all staff in the winemaking process. Based in Healdsburg, it operates as a small to mid-sized operation with a dedicated team. In 2025 the winery announced leadership appointments, naming Philip O'Conor as Vice President of Sales & Marketing and Michael Thomas as Chief Financial Officer. Earlier, in 2017, Williams Selyem appointed Jeff Mangahas as director of winemaking, reflecting a continuing focus on shaping its winemaking direction.