Thanks to a reader tip (thanks John) and an email sent to David Page at Shinn Estate Vineyards, I’ve learned that Juan Micieli-Martinez, formerly of Pellegrini Vineyards, is now formerly of Shinn Estate Vineyards as well. Or he will be by mid-August. "He has done a great job for us at Shinn during his time with us. Barbara and I wish him the best," Page told me in an email. He’s been offered the winemaker position at Martha Clara Vineyards. I haven’t heard from Juan yet and I have no idea at this point what is going on with Gilles…