He is currently Lecturer in Eastern Armenian in the department of Near Eastern Languages and Cultures at University of California, Los Angeles (UCLA).
[1] Martirosyan considers himself a student of Heinrich Hübschmann and Hrachia Acharian.
[2] He received a PhD in Comparative Linguistics by defending the dissertation "Studies in Armenian Etymology with Special Emphasis on Dialects and Culture" at Leiden University in 2008.
[5] He has talked about linguistics and the Armenian language in interviews with Public Television of Armenia,[6] Shoghakat TV,[7] independent Boon TV,[8] Aravot,[9] 1in.am,[10] and other Armenian media outlets.
[12] In May 2014 he was among the intellectuals who signed an open letter declaring their opposition to the Yerevan City Council decision to erect a statue of Anastas Mikoyan, a controversial Armenian-born Bolshevik and Soviet statesman.