Geghaznik Mikayelyan was born on November 16, 1951, in the village of Lernarot, Ashtarak District/ Aragatsotn Marz, Armenia. After graduating from the secondary school, he received a vocational education in agriculture. He was the commander of the Ashtarak Yerkrapah Volunteer Detachment. Mikayelyan was a brave warrior who had strong skills of using military hardward. From the very first days of the Artsakh Liberation War, he participated in the self-defense battles of Goris (Kornidzor), Meghri (Nyuvadi), Noyemberyan (Voskepar), Ijevan, Ararat (Yeraskh) regions. He was killed on August 29, 1990, in Yerevan. He is buried in Sasunik village of Ashtarak region. His origins were from the village of Gelieguzan in Sasun. National Hero of the Republic of Armenia (posthumous, September 20, 1996). Mikayelyan was awarded the highest Hayrenik Order of the Republic of Armenia.