Brogan Cellars is in Healdsburg. It was started in 1998 by Margaret Wierenga, who is the daughter of Burt Williams of Williams Selyem. Margaret worked for her father and other wine producers before starting a label named after her paternal grandmother. Margaret runs the winery with her husband and son. Grapes are sourced from the Russian River Valley and the Sonoma Coast. She makes about 1,500 cases annually. Brogan Cellars specializes in Pinot Noir, but also makes Chardonnay, Zinfandel and Syrah.