1941 - Born on the 3rd of January in Beirut, Lebanon.
1958 - He was ordained a deacon of the Armenian Church in June.
1961 - After completing theological and armenological studies at the Seminary, he was ordained a celibate monk on the 28th of May, by Catholicos Zareh I, who named him Mesrob in honor of the 1600th anniversary of the birth of Mesrob Mashdotz, the founder of the Armenian alphabet.
1963 - He received the rank of Vartabed (doctor) by Catholicos Khoren I.
1970 - At Princeton Theological Seminary where he received a Master of Theology.
1977 - He was elevated to the rank of Bishop and in 1983 to Archbishop by Catholicos Karekin II.
1977-1978 - He was elected to serve at the Prelate of the Eastern Prelacy in December.
1988 - Following the earthquake in Armenia, he spearheaded a campaign to provide immediate aid to the stricken people.
1991 - Princeton Theological Seminary awarded him a second Master’s Degree in recognition of the work he had completed toward the doctorate.
- His Eminence was appointed to serve on the World Council of Churches’ Faith and Order Commission.
1995 - His Holiness Karekin I, Catholicos and Supreme Patriarch of All Armenians, appointed him as the Executive Director of the 1700th anniversary commemorating of Armenia’s official acceptance of Christianity as a state religion, which was to be marked worldwide.
1998 - He moved to Armenia to devote all of his time to the commemorative events.
2003 - Died on the 2nd of Decemberin New York City of massive heart attack.