since 2011 - Head of Department of Financial Law, Maria Curie Sklodowska University in Lublin
since 2006 - Member of Legislative Council of Prime Minister of Poland
since 2005 - Professor of Financial Law
since 2002 - Judge of Supreme Administrative Court of Poland (Financial Chamber)

Active in the field of Financial Law with the following major areas:

• Public Financial Law
• The Sources of Local Government Financing
• Tax Law and Procedure
• Administrative Judicial Proceedings

Academic achievements:
CV/Biography (in English); academia.edu; ResearchGate.