1989-1993 member of Attorneys Team No. 2 in Warsaw;
since 1994, an independent law firm in Warsaw;
1993 internship at Schellenberg & Haissly (now: Schellenberg Wittmer) in Zurich, Switzerland – international arbitration, civil law;
1993 practices at Bank Vontobel and Vontobel Asset Management Zurich – arbitration law;
1992-93 off counsel at Baker&McKenzie, Warsaw– consultant in civil disputes;
1998-2004 Member of the Supreme Bar Council – responsible for foreign cooperation;
2001-2004 Vice-President of the International Union of Lawyers (UIA);
1998-2004 member of the joint delegation of Polish lawyers in the Council of Bar and Law Societies of the European Union (CCBE)