Hanna Zdanowska graduated in the field of Environmental Engineering from the Faculty of Civil Engineering and Architecture at the Technical University of Łódź. After graduation, she designed some of Łódź' settlements and later on, led her own company working as a manager. She served six years as Director of the Office of Lodz' Chamber of Commerce and Industry.
In 2006, she became a Councilor of the Łódź' City Council, and later the Vice-Mayor of Łódź. In autumn 2007, she was elected a Member of the Polish Parliament; and in 2010 for the position of Mayor of the City of Łódź. In 2014 she was elected by the Łódź' inhabitants for a second term.