It was part of a 3-day conference titled "Catholics in the Next America" that was organized by the Napa Institute. The organizers had the blessing of the local ordinary, Bishop Robert Vasa (Diocese of Santa Rosa), where the resort is based. The Pontifical Mass at the faldstool was made possible with the assistance from the Institute of Christ the King Sovereign Priest and the Norbertine Fathers of St. Michael's Abbey. The Schola came from St. Margaret Mary's Church in Oakland, CA.
Canon William Avis (Rector of the Old St. Patrick Oratory in Kansas, MO) who served as MC1, with Bishop Cordileone.
http://sanctamargaritamaria.blogspot.com/2011/08/photos-and-video-of-2011-napa.html