====== W Mass ====== *If interested, please place your name and email address here * Impact of O(as a) corrections to MW extraction (comparison of approximations/methods) * fixed order in pole approximation: Alexander Huss * Powheg NLO(EW+QCD) with showers * Luca Perrozzi * Alessandro Vicini * Fulvio Piccinini * Massimiliano Grazzini * Mariarosaria D'Alfonso * Andre David * Josh Bendavid * Gigi Rolandi