Armen Liloyan was born in Yerevan in 1971. He graduated from the Faculty of Oriental Studies of Yerevan State University, and received his Master's degree from the London Diplomatic Academy.

The newly-appointed Consul General joined the Ministry in 1995. He worked in the European Department. From 1998 to 2002, he served at the Armenian Embassy in Great Britain. Since 2002, he had been head of the European Union Division of the European Department and was instrumental in the process of developing Armenia's Action Plan within the European Neighborhood Policy.