In 2001, he was appointed by Archbishop Sergius (Konovalov) of Evkarpia as rector of the Cathedral of Christ the Savior in the city of Asnières-sur-Seine, France.

[2] On 25 March 2004, by decision of the Holy Synod of the Russian Orthodox Church, he was placed at the disposal of the Archbishop Innocent (Vasilyev) of Chersonesus for appointment to the pastoral Ministry.

[citation needed] On 31 May 2010, by decision of the Holy Synod of the Russian Orthodox Church, he was elected vicar of the Diocese of Chersonesus with the title "of Caffa".

[4] On 4 September of the same year, at the Patriarchal Residence in Chisty Lane, Moscow, Archimandrite Nestor was nominated as Bishop of Caffa, vicar of the diocese of Chersonesus.

[6][7] On 24 December 2010 the Holy Synod appointed him as ruling hierarch to the Diocese of Chersonesus with the task of managing the Parishes of the Moscow Patriarchate in Italy.

[8] On 16 July 2013, by the decision of the Holy Synod of the Russian Orthodox Church, he was released from the management of parishes of the Moscow Patriarchate in Italy.