 She was also a member of the Humanities and Social Science Research Council ("Humanistisk-samhällsvetenskapliga forskningsrådet" (HSFR)) as well as a board member of the Swedish Centre for Architecture and Design.During her time as National Antiquarian, infrastructure in Stockholm as well as other parts of Sweden went through major changes.Biörnstad became instrumental in recording, preserving and preventing destruction of archaeological sites and cultural heritage as water power was expanded and new railways were constructed.