Chairman of the Department for External Church Relations of the Moscow Patriarchate (since 7 June 2022) Sevryuk was baptised at the age of 11.

In 2004-2007 participated annually in the summer Orthodox youth camp in Potamitissa, Cyprus, as a translator and head of the Russian-speaking delegation.

From 30 May to 12 June 2011 he served as the leading clergyman of the Stavropegial Church in honor of St. Catherine the Great Martyr also in Rome.

Despite feeling uneasy at times, Anthony said that there are many similarities between Italians and Russians in tradition and customs, so the transition to being a pastor in Italy was not hard culturally.

[1] At the Roman Catholic Basilica di San Nicola, a shrine to St. Nicholas the Wonderworker in Bari, he would lead Divine Liturgy on Thursdays.

He did however say it is important that Orthodox worshippers do not pray together with Catholics or attend Mass, as the two churches are not in full communion with one another, and still have theological differences.