[1][2] She studied political science at the Otto-Suhr-Institut of the Free University of Berlin, where her thesis was on "Local NGOs and sexualised violence in the Balkan conflicts".

[13] In the negotiations to form a coalition government under the leadership of Minister-President of North Rhine-Westphalia Hendrik Wüst following the 2022 state elections, Reintke was part of her party’s delegation.

[16] In 2021, Reintke joined forces with David McAllister and Radosław Sikorski in initiating a letter of 145 member of the European Parliament to Commission President Ursula von der Leyen and Education Commissioner Mariya Gabriel in which they called for allowing Scotland and Wales to rejoin the European Union’s Erasmus+ mobility scheme.

[19] In 2014, Reintke reported on her first week as a Member of the European Parliament in a widely discussed YouTube video with fellow Green representatives Jan Philipp Albrecht and Ska Keller,[20] which led to criticism of her ability to work with opponents.

[22][23] In December 2017, Reintke was featured in TIME magazine's coverage of their Person of the Year issue, as part of the "Silence Breakers" honoured for speaking out against sexual abuse and harassment.