Faculty of Philology in Leninakan Pedagogical Institute after M.Nalbandyan (1970-1974)
Candidate thesis, " The syntax order of subject, predicate and object in the declarative sentences of Grabar (1982): Doctoral thesis: " Syntax Models of Classical Grabar "(2005)
Historical Grammar, History of the Armenian language, Syntactical Stylistics
1997- until now – founding director of Shirak Center for Armenological Studies of NAS RA
2007-2017 – Dean in the Faculty of History and Philology of GSPI /SSU/
2001-2006- Head of the Armenian language Department of GSPI
2000- Vice –rector of GSPI for Foreign Relations and Reforms
1997-1999 – Associate professor of the Armenian language Department, Head of the Journalism Sector
1996- Head of Education Department of Shirak Governor's Office
1990-1995- Dean of Philology Faculty of GSPI
1981-1989- Lecturer in the Department of the Armenian language of LPI
1977-1981- Lab assistant of Lenianak Pedagogical Institute
1974-1976- Teacher of the Armenian language and literature at the school of Krasar village in Ashotsk region.
Membership in scientific councils of scientific organizations:
Member of Scientific Council of 019 Scientific Degree Awarded NAS RA IL,
Member of the Armenian Supreme Council of the Armenian Ministry of Education and Science RA,
Chairman of the Academic Council of SCAS of NAS RA,
Member of the Academic Council of SSU.
2014- Honorary figure of science of RA,
2012- Gold medal of memory of MES RA,
2009- Certificate of Appreciation of the President of RA,
2007- Certificate of Achievement of NAS RA,
2003- Certificate of Honor of President of NAS RA
Author of 3 monographs: “Syntax of Grabar”:V century, Yerevan,"Science",2005, 256pages, 'Issues of the Armenian language', Gyumri, Eldorado,2012,210pages, “Teaching materials for Historical Grammar of the Armenian language”, Gyumri, Dpir, 2013, 152pages and 65 scientific articles. He is the founder and editor-in-chief of the "Scientific Works" periodical collection of NAS SCAS and "Shirak Archeological and Historiographical Studies".
He is the scientific editor of over two dozen monographs and textbooks. For different years he has the president of the state examination committees in Yerevan, Vanadzor and Artsakh. He is married and has three children and two grandchildren.