Senior marshal (Polish: marszałek senior or marszałek-senior) is an officer in the Sejm or Senate of Poland, presiding over the first sitting of the parliament house, appointed by the President of Poland. It is their role to conduct taking an oath by MPs and carry out election of the permanent leader of the house, who then takes the lead.[1][2]
In the Sejm, senior marshal is appointed out of the oldest MPs, and it is also their duty to open the first sitting. Whereas in the Senate, the eldest senator-elect is nominated for the office and it is the President who starts the proceedeing.[1][2][3]
^Macierewicz wasn't an oldest MP of the 9th Sejm. The oldest one was opposition MP Iwona Śledzińska-Katarasińska (Civic Platform), his senior of 7 years and 7 months. President Andrzej Duda was a member of Law and Justice before his election and chose to name an MP from his political party.
