His Grace Bishop Artak Tigranian was born on April 12, 1971 in the village of Dimitrov in the region of Artashat, Armenia. He received his primary education at the secondary Russian school of the village starting in 1978. He graduated in 1988.
In 1988, he entered the Gevorkian Theological Seminary at the Mother See of Holy Etchmiadzin. On December 28, 1993 he was ordained to the diaconate on the Feast of St. Stephen the Protodeacon, by His Grace Bishop Anania Arabajian. On May 26, 1994 he successfully defended his thesis entitled "The Tradition of the Feast of Exaltation of the Holy Cross" and received a mark of good.
Upon his graduation, he was appointed to serve as Director of the Alex and Marie Manoogian Treasury-Museum of the Mother See, where he served from 1994-95. On July 23, 1995 on the Feast of Transfiguration, he was ordained as a celibate priest by His Holiness Karekin I, Catholicos of All Armenians and given the priestly name of Artak.
From 1995 to 1999 he served in the Pontifical Residence as the Secretary and Staff Bearer to the Armenian Pontiff, His Holiness Karekin I.
On October 8, 1999 he presented and successfully defended his doctoral thesis entitled "Catholicos Karekin I Hovsepian; His Life, Spiritual and Research Works". On October 10 of the same year he received the rank of Archimandrite (Vardapet) at the St. Mesrop church of Oshakan by His Eminence Archbishop Nerses Pozapalian.
In 1999, Father Artak departed Armenia to serve as the spiritual pastor in the Church of St. John the Baptist in Paris, in the Armenian Diocese of France, where he served until 2000.
He returned to Armenia in 2000 where he was assigned to serve as the Assistant Grand Sacristan of the Mother Cathedral of Holy Etchmiadzin. In 2001, by Pontifical Order of His Holiness Karekin II, Supreme Patriarch and Catholicos of All Armenians, he served as the Grand Sacristan of the Mother Cathedral until 2005.
From 2006 to 2008 he was the Deputy Primate of the Diocese of Gugarq serving as the Abbot of the Monastery of Haghpat.
In 2008 he returned to the Mother See, and was re-assigned to serve as the Assistant Grand Sacristan of the Mother Cathedral of Holy Etchmiadzin. On June 15, 2009 he was appointed to serve as the Dean of the Monasteries of the Armenian Church, where he serves today.