M.A. Alina Jaszewska is an alumna of Adam Mickiewicz University of Poznań where she accomplished studies in Archaeology on the Faculty of History, defending in 1993 her master thesis: "Ceramics from the Przeworsk culture village in Wola Piekarska, archaeological site no.2, Dobra municipality, Konin Province". In 2000 she accomplished postgraduate studies on Conservation of Monuments of Architecture and Urbanism on the Faculty of Architecture at the Institute of History of Architecture and Monuments Conservation of the Kraków University of Technology. Professionally, she is connected with the Polish Monuments Conservation Laboratories JSC in Poznań. Since January 1999 she runs her own Archaeological Conservation Laboratory, originally located in Żary, however in 2005 it moved to Zielona Góra.

Since 1994 Alina Jaszewska participates actively in the Scientific Association of Polish Archaeologists, being the member of its Board since 2001 and being promoted subsequently to Vice-president of the Board. In 1999 she co-founded the Department of the  Scientific Association of Polish Archaeologists in Voivodeship of Lubusz, Presidency of which she acceded in 2000.  

In 2006 Alina Jaszewska established the Archaeological Foundation in Zielona Góra. She is also a co-founder of the Nationwide Association of Private Archaeological Firms, where she firstly was a CEO (2008-2010) and Vice-president (2010-present).

In 2010 Alina Jaszewska was awarded the Gold Medal for Protecting Monuments.