Career
He was awarded the Honoured Master of Sports of the Union of the Soviet Socialist Republics title in 1976. Born in Leninakan, Armenian Soviet Socialist Republic (now Gyumri, Armenia), a city famous for its world class weightlifters, Militosyan took up weightlifting in 1964 under the guidance of Hakob Faradzhyana and joined the Soviet national team in 1975. He left the Soviet national team in 1979.
Militosyan set four world records during his career, all in the clean and jerk.
In 1980, Militosyan completed his weightlifting career after he was not selected to join the Soviet team at the 1980 Summer Olympics. He went on to work as a weightlifting coach in his native Armenia.
Militosyan died on 29 April 2015 after prolonged illness.