Main fields of activity referred to the history and modern issues of criminal procedure in Armenia, combating the crimes and protection of human rights and freedoms, as well as urgent problems of criminal procedure of the Third Republic of Armenia and problems of the history of the Armenian law

Graduated from YSU (1977). Dr. of Law (2000), Prof. (2002). Corr. Member of the NAS of the RA (2006), Academician of the NAS of the RA (2014)

Dean of the YSU Faculty of Law (since 1996), Member of the Presidium of NAS RA (since 2016)

President of the Bar Association of the Republic of Armenia (since 1997), Vice-President of the International Union of Lawyers (since 2003), Foreign Member of the Russian Academy of Education (since 2012)

Honored Lawyer of RA (2003), awarded with medal "Mkhitar Gosh" (1999)

Lecturer, YSU (1983-87), Docent (1987-89), Deputy Dean, Yerevan State University, Faculty of Law (1989-91), Head of the Chair of Criminal Law, Yerevan State University (1991-2000). Chairman, Specialized Council for Awarding Scientific Degrees in Jurisprudence (since 2002), Head of the Commission on "Jurisprudence" of the Ministry of Education and Science of the RA (since 2003)