Career
He worked in the Polish People"s Republic as a construction worker, and for many years as foreman. At the age of 18, he was already head of a working unit After 1989, for some time he belonged to the Democratic Left Alliance but left after a conflict with Leszek Miller.
Siwak later joined the National Party "Ojczyzna".
He is connected with the newspaper Tygodnik Ojczyzna and represents nationalist-leftist positions.