Sellin was
ordained as a
deacon at
Petertide 2007 (1 July), ordained as a
priest at the Petertide following (28 June 2008) – both times by
Christopher Hill,
Bishop of Guildford, at
Guildford Cathedral – and served all her parish ministry in the
Diocese of Guildford.
Episcopal ministry In April 2019, it was announced that Sellin would be the next Bishop of Southampton; she legally took up her role on 3 July 2019, the day of her consecration by
Justin Welby,
Archbishop of Canterbury, at
St Paul's Cathedral. On 20 May 2021 it was reported that
Tim Dakin,
Bishop of Winchester, had "stepped back" as diocesan bishop for six weeks, in light of the threat of a diocesan synod motion of no confidence in his leadership.
David Williams,
Bishop of Basingstoke, the other suffragan bishop, also "stepped back" (he was said to be in sympathy with the protesters) and Sellin served as acting diocesan bishop. The "stepping back" was later extended and on 16 July Dakin announced that he would retire in February 2022; meanwhile, Sellin continued as acting diocesan bishop. On 11 January 2022 the Archbishop of Canterbury announced that Sellin would continue as acting diocesan bishop during the vacancy following Dakin's formal retirement on 6 February 2022. She remained so until 10 October 2023 when
Philip Mounstephen was confirmed as Bishop of Winchester and formally took up his appointment. On 28 September 2023, Sellin was announced as the next
Bishop of Peterborough, to be installed in early 2024. She legally took up the See upon the
confirmation, on 13 December 2023 at
Lambeth Palace Chapel, of her
election. Sellin was
introduced to the
House of Lords on 30 January 2025. ==References==