Marek Tadeusz Kuchciński is a member of the Sejm of Poland, first elected in 2001. Before 2015, he served the parliament as one of the Deputy Marshals of the Sejm, nominated by the Law and Justice club, and also as the Parliamentary Caucus Head of the above-mentioned party. From 2015 to 2019, when his party possessed the majority of seats in both houses, he held the office of Marshal of the Sejm.

Jarosław Aleksander Kaczyński is a Polish politician. He has been the leader of the Law and Justice party (PiS) since 2003. He served as Prime Minister of Poland from 2006 to 2007, and has twice held the post of Deputy Prime Minister of Poland, first from 2020 to 2022, and a second time from June to November 2023.