Herbst was a founding member of the Young Liberal Action Saxony (Jungliberale Aktion Sachsen, JuliA) in the post-reunification period and its state chair from 1997 to 2000. He was elected deputy state chair of the FDP Saxony in 1999, was secretary general of the FDP Saxony from 2005 to 2019, and has been its treasurer since 2019. Since 2019, he has also been a member of the federal executive committee of the FDP. In 1999, Herbst was elected deputy state chairman of the FDP in Saxony, and from 2005 to 2019, he was secretary general of the state association, under the leadership of chairman
Holger Zastrow. From 2004 to 2014, he was a member of the
State Parliament of Saxony. Herbst became a member of the Bundestag in the
2017 German federal election. In parliament, he served on the Committee on Transport and Digital Infrastructure. From 2019, he was also a member of the federal executive committee of the FDP, under the leadership of chair
Christian Lindner. 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 German elections, Herbst was part of his party's delegation in the working group on economic affairs, co-chaired by
Carsten Schneider,
Cem Özdemir and
Michael Theurer. == Other activities ==