Haroutioun Khatchadourian is an engineer from the Ecole Supérieur d'Electricité (Supelec, Paris, France), specializing in Information Technology and Project Management. In 1984, in parallel to his career, he studied Armenian art history at INALCO (Institut national des langues et civilisations orientales) in Paris with Professor Jean-Michel Thierry. Since then, he dedicated 30 years to scientific expeditions in Armenia, Turkey and Iran in order to conduct research and fieldwork on khachkars. As an independent researcher, he co-authored two publications: "L'art des khatchkars, les pierres à croix arméniennes d'Ispahan et de Jérusalem” (The art of khachkars, Armenian cross-stones from Isfahan and Jerusalem), Paris, Ed. Geuthner, 2014, translated in Armenian in 2019, and "Localités et biens cultuels arméniens dans la Turquie ottoman” (Localities and Armenian worship properties in Ottoman Turkey), Paris, ed. OTC, 2016. He is continuing his fieldwork in Armenia and is working on his next publication on the khachkars of the region of Kotayk.