2003: Masters (1990), Doctorate (1993), Catholic University of Lublin (Katholieke Universiteit te Leuven (Catholic University of Louvain)), assistant professor, Nicolas Copernicus University (2001) and associate professor Katholieke Universiteit te Leuven (Catholic University of Louvain).
He was originally elected in 2004 with the League of Polish Families, then part of the Independence and Democracy grouping. At the 2009 election, he was re-elected for Law and Justice. He left Law and Justice in January 2012 and to sit as an independent Member of the European Parliament in the European Conservatives and Reformists group, alongside Law and Justice, but became reconciled with his old party, to again become its representative for the 2014 European Parliamentary elections.
Piotrowski sits on the European Parliament"s Committee on Foreign Affairs.
He is a substitute for the Committee on Regional Development and a vice-chair of the Delegation for Relations with Australia and New Zealand. 1994-2000: Scholarships from the Herder Institut (Germany), Konrad Adenauer Foundation (Germany), Conference of German Academies of Sciences (Germany), the Foundation for Polish Science (Poland), and the University of Leuven (Belgium).
2002: Prize of the Prime Minister of the Republic of Poland awarded to the qualifying thesis for assistant professorship on tGe remigration of Poles from Germany 1918-1939 "Reemigracja Polaków z Niemiec 1918-1939".
Law and Justice, League of Polish Families.
