Woodinville, Wash.—Chateau Ste. Michelle announced the promotion of David Rosenthal to supervise the winery’s white wine program. Rosenthal will report to head winemaker Bob Bertheau and manage day-to-day operations at Chateau Ste. Michelle’s white wine cellar in Woodinville outside of Seattle. The company produces its red wines at its Canoe Ridge Estate winery in eastern Washington. Rosenthal was previously assistant winemaker and originally started with Chateau Ste. Michelle in 2006. He has nearly 15 years of experience in the wine industry in California, Oregon, Australia and Washington.