[1] In 1990 he was ordained deacon and after that he served in parishes of the Metropolis of Piraeus: the Annunciation of the Theotokos, the Holy Unmercenaries and St Sophia.
[1] In 1995 he ordained to priesthood and served as preacher of the Metropolis, Rector of the parish of the Life-Giving Fountain, Secretary of the Metropolis' Youth Organisation, President of the committee of the Church of Hatzikyriakou Orphanage, director of the radio program "Peiraiki Ekklisia 91.2FM" and deputy manager of the magazine "Peiraiki Ekklisia" until 2001.
At that time he represented the Metropolises of Piraeus and Samos in youth conferences, seminars on cults and new religious movements and issues concerning Europe's stance on religion.
January 9, 2008 the Holy Synod of the Church of Constantinople unanimously elected him to be the new Metropolitan of Hong Kong and Southeast Asia.
[2][3] January 20, 2008 Archimandrite Nektarios consecrated to the episcopacy at the Phanar at the Patriarchal Church of St George.