Matthias Kollatz is a German politician of the Social Democratic Party of Germany (SPD) who served as State Minister of Finance in the government of Mayor Michael Müller of Berlin from 2014 to 2021.

Doris Maria Ahnen is a German politician of the Social Democratic Party (SPD) who has been serving as Minister for Finance in the state government of Rhineland-Palatinate since 2014. Prior to that she served as the Minister for Education, Research and Culture since 2001. She has been a part of the State Parliament of Rhineland-Palatinate since the 2006 elections. She is also a member of the German Bundesrat for Rhineland-Palatinate.