His wife Beata Machowska-Kaczmarek is a journalist and his son Ignacy is a junior high student.

In the beginning of the 90’s he was the Chairman of the National Coordination Committee for the Independent Students’ Union at Adam Mickiewicz University.

From 1998 to 2002 Filip Kaczmarek was the Councillor and Deputy Leader of Poznań City Council.

When he was a member of the Sejm in 1992 he postulated that Poland should apply for complete membership in the European Communities.

Filip Kaczmarek is also a member of the Committee on Agriculture and Rural Development where he is mostly concerned with the Polish agriculturists’ business.