Boston private equity firm J.W. Childs Associates has invested in Kosta Browne winery.
Kosta Browne, based in Sebastopol, California, is a winery that produces Pinot Noir. The business was started by Dan Kosta and Michael Browne, who founded Kosta Browne with tip money the earned working in a Santa Rosa, California restaurant. The winery added the Vincraft Group, which backs small wineries, as an investor in 2009. Terms of J.W. Childs investment were not disclosed.