 At the end of 1562, he was appointed Lady Margaret's Professor of Divinity, but remained in the post for only a little over a year.After continuing his career in the church he was appointed Vice-Chancellor of the University of Oxford in June 1576, and as a Canon at St George's Chapel at Windsor Castle the following May.After his consecration as Bishop of Hereford on 30 January 1586, Westfaling became known for his zeal in confronting Roman Catholics and others whose religious practises he viewed as suspect, criticising Hereford's vicars choral for their use of "superstitious" images and pictures.