Two key winery personnel have been appointed at Markham Vineyards in California this week. Associate winemaker Michael Jordan and general affairs manager Karen Takabayashi will both replace Kimberlee Jackson Nicholls, who was recently promoted to winemaker for Markham Vineyards. Takabayashi's primary responsibilities include overseeing capital projects. Prior to joining Markham Vineyards, Takabayashi was the special events manager at Schramsberg Vineyards, Napa Valley.