Career in local politics

Strack-Zimmermann was a member of the Düsseldorf city council from 2004 to 2023.^[4] From 2008 until 2014, she served as deputy mayor of Düsseldorf, alongside mayor Dirk Elbers.

Deputy Chair of the FDP, 2013–2019

Following the election of Christian Lindner as chairman of the FDP in 2013, Strack-Zimmermann became one of his deputies. She served as part of the party's leadership until 2019, when she was succeeded by Nicola Beer.^[5]

Member of the German Parliament, 2017–2024

Strack-Zimmermann became a member of the Bundestag in the 2017 German federal election.^[6]

During her first term from 2017 to 2021, Strack-Zimmermann served on the Defence Committee and the Committee for Construction, Housing, Urban Development and Local Authorities. During that time, she was her parliamentary group's spokesperson for defence policy and spokesperson for local government policy.^[7] Since 2021, Strack-Zimmermann has been serving as chairwoman of the Defence Committee.^[8]

In addition to her committee assignments, Strack-Zimmermann has been a member of the German delegation to the NATO Parliamentary Assembly since 2018, where she is part of the Defence and Security Committee, the Political Committee, the Sub-Committee on Transatlantic Defence and Security Cooperation and the Sub-Committee on Transatlantic Relations.^[9]

In the negotiations to form a so-called traffic light coalition of the Social Democratic Party (SPD), the Green Party and the FDP following the 2021 federal elections, Strack-Zimmermann was part of her party's delegation in the working group on foreign policy, defence, development cooperation and human rights, co-chaired by Heiko Maas, Omid Nouripour and Alexander Graf Lambsdorff.^[10]

In her capacity as chair of the defense committee, Strack-Zimmermann visited Ukraine shortly after the 2022 Russian invasion with Michael Roth and Anton Hofreiter, the chairs of the Bundestag's foreign relations and European affairs committees respectively.^[11]

In 2023, Strack-Zimmermann was one of the initiators – alongside Michelle Müntefering and Agnieszka Brugger – of a cross-party group promoting a feminist foreign policy.^[12]

Member of the European Parliament, 2024–present

In March 2024, Strack-Zimmermann was nominated by the FDP to become the Alliance of Liberals and Democrats for Europe Party's lead candidate for the 2024 European Parliament election.^[13] She was elected, and her seat in the German Bundestag was taken up by Fabian Griewel.

In parliament, Strack-Zimmermann has since been chairing the Subcommittee on Security and Defence. She is also a member of the Committee on Foreign Affairs. In addition to her committee assignments, she is part of the parliament’s delegations to the NATO Parliamentary Assembly and to the EU-Chile Joint Parliamentary Committee.^[14]

In 2026, Strack-Zimmermann announced her intention to challenge Christian Dürr as leader of the FDP at the next party convention; shortly after, she withdrew her candidacy and instead endorsed Henning Höne.^[15]