Sanja Simonović Alfirević (Belgrade, 1981) is an architect and researcher. She received her undergraduate and doctoral degrees from the Faculty of Architecture, University of Belgrade. She is a Senior Research Associate at the Institute of Architecture and Urban & Spatial Planning of Serbia, a position she has held since 2021. Her professional and research work focuses on architectural and urban design, residential architecture, interior design, performativity in architecture, sustainable urban development, and the protection of cultural heritage. She has participated in numerous national and international scientific research projects. She has received several awards and recognitions in architectural and urban-planning competitions and exhibitions, including the Aleksandar Šaletić Award and awards at the International Urban Planning Salon. She is the author of the monograph Architecture and Performance Studies: The Aspect of Performativity and co-author of Principles of Residential Space Configuration and Specific Problems of Residential Space Configuration, as well as numerous research papers published in national and international journals.