English priest John Hall, is the current Dean of what Collegiate Church of St Peter at Westminster?
John Hall (priest): John Robert Hall {'1': ", '2': ", '3': ", '4': "} (born 13 March 1949) is an English priest of the Church of England. John Hall (priest):  He is the current Dean of Westminster and a chaplain to Queen Elizabeth II. Westminster Abbey: Westminster Abbey, formally titled the Collegiate Church of St Peter at Westminster, is a large, mainly Gothic abbey church in the City of Westminster, London, just to the west of the Palace of Westminster.
Westminster Abbey