Kefalas was born in Akritas, Kilkis on 25 December 1938. He studied theology at the
Theological School of Halki on the island of
Halki and graduated in 1962. He was then ordained a deacon before moving to Australia in September where he was ordained to the priesthood at the parish of Panagia Myrtidiotissa in
Dubbo, New South Wales. He briefly served at the parish-community of Saint Gerasimos in
Leichhardt, Sydney before being appointed as the founding priest at the large
Sydney Parish and Community of All Saints in
Belmore where he served until promoted to the episcopate in 1977. On 1 March 1977 Kefalas was elected by the Synod of the Ecumenical Patriarchate as an assistant Bishop to
Archbishop Stylianos of Australia and was given the title Bishop of Dervis and appointed by Archbishop Stylianos as his assistant bishop in
Perth. After three years there he spent five years in
Adelaide. In 1984, Stylianos appointed Kefalas assistant bishop of the second Archdiocesan district of Victoria and Tasmania, from which he retired in November, 2021. Following the death of Stylianos on 25 March 2019, Kefalas was briefly the Patriarchal Commissioner of the Archdiocese of Australia until the election of
Makarios Griniezakis as
Greek Orthodox Archbishop of Australia. He retired in November 2021 and was elevated by the Synod of the Ecumenical Patriarchate to Metropolitan of Dervis. He lives in Melbourne. ==Awards==