Iconic Family-Owned Napa Winery Appoints Finance Veteran (Napa, Calif.)? December 14, 2020?Trefethen Family Vineyards, a family-owned winery with more than five decades producing estate grown Napa Valley wines, today announced the appointment of Robert Helmer as Chief Financial Officer (CFO). Prior to joining Trefethen Family Vineyards, Helmer served as the Director of Finance at The [?]