He was elected by the Electoral College of the Church in Wales on 1 September 2008.[6] He was consecrated a bishop in a service at Llandaff Cathedral on 29 November 2008,[7] and enthroned in St Davids Cathedral on 6 December 2008.[8] He is credited with extensive knowledge of the history of his cathedral ('Pevsner', 'Pembrokeshire').
He was also the Patron of the Order of St David and St Non as the Bishop of St Davids.[9] In retirement, he continues to serve in the Diocese.[10]