Katzmarek first became a member of the Bundestag in the
2013 German federal election. She is a member of the Committee on Economic Affairs and Energy. In 2019, she was elected as one of her parliamentary group’s
whips, under the leadership of chairman
Rolf Mützenich. In this capacity, she also joined the parliament’s
Council of Elders, which – among other duties – determines daily legislative agenda items and assigns committee chairpersons based on party representation. In addition to her committee assignments, Katzmarek is part of the German Parliamentary Friendship Group for Relations with the States of South Asia. In the negotiations to form a so-called
traffic light coalition of the SPD, the
Green Party and the
Free Democratic Party (FDP) following the
2021 federal elections, Katzmarek was part of her party's delegation in the working group on economic affairs, co-chaired by
Carsten Schneider,
Cem Özdemir and
Michael Theurer. In July 2024 she announced that she isn't seeking re-election for Bundestag. == Other activities ==