How Grgich Hills & Rutherford Hill showcase the best of Napa Valley

Arguably one of the most compelling reasons why some wine regions stand out from theirs peers is just how hard its producers work together to promote the collective wines they are making. It was very much in that spirit that Maja Jeramaz, export manager of Grgich Hills Estate and Chuck Cramer, who represents Rutherford Hill as part of his UK and European sales role at Terlato Wines , came together recently in London to host a joint masterclass, with their UK distributor, ABS Wine Agencies , showing the very best of what the Napa wine region can do - and just how well their wines pair against a juicy burger served up at Smith & Wollensky . Richard Siddle went along to find out.