The works are devoted mainly to the history of the Western Armenia, the Genocide of Armenians, Javakhq, the Armenian-Georgian relations, a problem of the historical demography of Armenia

Yerevan State University (1982), Doctor of History (2002), Professor (2004), Correspondent-member of Institute of History, NAS RA (2006), Academician (2014)

Director of Institute of History, NAS RA (since 2002), Member of the Presidium of NAS RA (since 2021)

Chairman of the specialized council of Institute of History, NAS RA, member of the association of historians of the EENI countries

Medals- Argishti I (2014), Andranik Ozanyan (2013), Movses Khorenatsi (2003), Garegin Nzhdeh and some others from YSU, ASPU etc.

Elder laborant at the Institute of History, NAS RA (1986-98), scientific worker (1988-91), scientific secretary (1991-1995), deputy director (1995-2002)