Studied at the Restoration and Reconstruction of Architectural Ensembles Department of the Lviv Polytechnic National University. She received her diploma in "Architecture of Buildings and Structures" in 2013.
At the Center for Urban History she is the content manager of Lviv Interactive; coordinates the "Topics" of the project, especially "Lviv’s Rynok Square" and "Bohomoltsia Street"; author of historical and architectural descriptions of buildings from the second half of the nineteenth and early twentieth centuries. She researches the neo-Gothic architecture of Lviv and Eastern Galicia.
Academic interests: early modernist architecture of the end of the nineteenth and early twentieth centuries, neo-Gothic architecture, architectural details.
- Kazantsev, T.E.; Zarechnyuk, O. H. "The Style and Design Tracery Windows and Portals of Lviv Buildings of the Fifteenth to the Early Twentieth Centuries (based on field research)" [Stylistyka ta dyzayn maskerkiv vikon i portaliv lvivskykh budivel XV – pochatku XX st. (na osnovi naturnykh doslidzhen) Lviv Polytechnic Herald. Architecture. 2012. No. 728. pp 221-218.
- Zarechnyuk, O. "Window Woodwork as Architectural and Decorative Elements of Buildings of the Late Nineteenth and Early Twentieth Centuries." [Vikonna stoliarka yak arkhitekturno-dekoratyvnyi element budivel druhoyi polovyny XIX – pochatku XX st.] 70th Student Conference: Book of Abstracts (October-November 2012) / Lviv Polytechnic National University; [Eds: Bobalo,Y. Y.; Pikh, Z. H.; Cherkes, B. S. et al.]. Lviv: Lviv Polytechnic National University Publishing House, 2012. pp. 14-15.