In 2009–2013 was a lecturer of the History of Armenian and Russian Art, as well as that of Armenian Culture at the Art Education faculty of Armenian State Pedagogical University. Since 2016 she has been a lecturer of design and the History of Graphic Design, The Ways of Development of Western Armenian Art and The Art of Armenian Diaspora at the Departments of Art History and Theory and Computer Graphics at the State Academy of Fine Arts of Armenia.
Organizes author lectures on types of engraving and other topics at the National Gallery of Armenia. From 2010 to 2020 she was the head of the Graphic Art Department of the National Gallery. From 2018, she also worked as a Scientific Secretary. In June, 2020 she was appointed an acting director of the National Gallery of Armenia. Since March 12, 2021 she has been the director of the National Gallery. Regularly participates in the annual conferences of the RA National Academy of Sciences.
Curator of various exhibitions:
- "Grigor Aghasyan. Retrospective" (National Gallery of Armenia, Yerevan, 2006)
- "Grigor Aghasyan. Dedicated to the 85th Birth Anniversary" (Albert & Tove Boyajian Gallery, Yerevan, 2011)
- "Book Art" exhibition (National Gallery of Armenia, Yerevan, 2014)
- "Old and New Yerevan" within the framework of Erebouni-Yerevan events (Artists' Union of Armenia, Yerevan, 2014)
- "Grigor Aghasyan. We Shall Live" within the framework of events dedicated to the centenary of the Genocide (National Gallery of Armenia, Yerevan, 2015)
- "Yeghishe Tadevossian-Retrospective: From the collections of the National Gallery of Armenia and Vahagn Grigoryan" (National Gallery of Armenia, Yerevan, 2016)
- "Grigor Aghasyan. Graphics" (Albert & Tove Boyajian Gallery, Yerevan, 2016)
- "Bridge of Friendship. Boris Klementiev" (National Gallery of Armenia, Yerevan, 2016)
- "The Abrahamians" (National Gallery of Armenia, Yerevan, 2016)
- "Miro Persoglia. Beyond the Reflection" (National Gallery of Armenia, Yerevan, 2016).
In 2017 was a curator of the exhibition "Armenian Impressionism. From Moscow to Paris" in Moscow (Museum of Russian Impressionism), as well as "Ara Harutiunyan. The Sun in the Stones" within the framework of events "Cultural days of Armenia in Russia" (The State Museum of Contemporary Art History of Russia). In the same year she organized the international conference "Borders of Marine Art" dedicated to the 200th birth anniversary of Hovhannes (Ivan) Aivazovsky.
In 2018 jointly with the Italian curator Mazdak Faiznia she was the curator of the large-scale project "International Contemporary Art Exhibition. Armenia-2018". In 2019 jointly with the Italian curator Demetrio Paparoni was the coordinator of the exhibition "Wang Guangyi. Popular Study on Anthropology".
In 2020 she was the coordinator of the festival dedicated to the 150th anniversary of the Armenian Impressionist artist Yeghishe Tadevossian, within the framework of which she was the curator of the exhibition announcing the opening of the artist's personal exhibition hall in Vagharshapat, in Mher Abeghyan Museum, the branch of the National Gallery.
In 2021, within the framework of the International Day of Monuments and Sights, was the curator of the exhibition "Sa-Nranits-Hin. Sanahin, Haghpat" at the National Gallery of Armenia as well as of the unique project "Art or Science? A Story of Three Restored Exhibits" within the "Faces of Memory" project.
Marina Hakobyan is the author and compiler of various albums-catalogues, scientific articles, including:
- "Yeghishe Tadevossian" (2006)
- "Edgar Degas, Letters" (2009)
- "Armenian Impressionism. From Moscow to Paris" (2017)
- "Borders of Marine Art. International conference. Collected reports" (2017)
- "Soundlines of Contemporary Art" (2018)
- "Open Sounds of Contemporary Art" (2018)
- "Painting Collection of the Patriarchate" (2019).