Aleksandra Kosiorek was born on 13 March 1985 in Gdańsk, Poland. She had graduated in law from the University of Gdańsk, and begun working as a jurist. Since 2013, she in a co-owner of a legal firm and a court mediator specialised in medical law. Since 2020 she is a coordinator of a legal team in the Gdańsk District Medical Chamber.[1][2]
Kosiorek is also a social activist, and a member of the Gdynia Dialogue Federation. In the late 2010s and early 2020s, she was one of the organisers of the protests against judiciary reforms and the women's strike protests in the Tricity, and one of the leaders of the All-Poland Women's Strike movement.[3] She was elected as mayor of Gdynia in the 2024 local election as a candidate of the Gdynia Dialogue Federation. In the same election, she was also elected as a member of the Gdynia City Council, but ultimately assumed the position of mayor instead. She began her term on 7 May 2024.[1][4]
