After the school graduation, he subsequently joined the Patriarchal Congregation of Bzommar in Lebanon, where he made a solemn profession.
He was ordained as priest on December 25, 1967,[1] after studies in the Pontifical Gregorian University, Italy with a baccalaureate in philosophy and theology.
[2] After his ordination to priesthood, he served in the different Patriarchal Congregation of Bzommar institutions in Syria, Lebanon and Georgia and in the same time made a pastoral work for the Armenian Catholics.
[2] On January 26, 2007 Vardapet Dabbaghian was confirmed by Pope Benedict XVI and on August 4, 2007 consecrated to the Episcopate as an archbishop of the vacant Armenian Catholic Archeparchy of Baghdad, Iraq.
The principal consecrator was Patriarch Nerses Bedros XIX Tarmouni, the Head of the Armenian Catholic Church.