Since 2002:

Employed at the Department of Public International Law, Faculty of Law and Administration, Jagiellonian University, Krakow, Poland;

2014-2019:

Adjudicating Member of the Polish Refugee Board of the Fourth Term – the quasi-judicial appeal authority in the procedure for granting and withdrawing refugee status;

2009-2014:

Adjudicating Member of the Polish Refugee Board of the Third Term – the quasi-judicial appeal authority in the procedure for granting and withdrawing refugee status;

2009-2013 and 2013-2017:

Member of the Board, International Law Association – Polish Branch;

2012-2015:

The main participant in the research project granted by the Polish National Science Centre (NCN) „Status prawny państwa a systemowy charakter prawa międzynarodowego: ich związki i współzależność” [Legal status of the State and systemic character of international law: their relationship and interdependencies] (Nr Dec - 2011/03/B/HS5/01369) co-ordinated by Prof. Dr. Roman Kwiecień (UMCS, Lublin);

10.12.2013:

Guest lecture in the Europa-Institut, Universität des Saarlandes, Saarbrücken,; topic: “The Prohibition of the Use of Force and Positive Obligations of States” (as invited speaker);

14.11.2013:

Participation in the Conference in honour of Professor Krzysztof Skubiszewski (Krzysztof Skubiszewski – Minister, Judge, Professor) organised in London by the University of Cambridge Lauterpacht Centre for International Law and the School of Law at Queen Mary, with the Embassy of the Republic of Poland in London; title of the paper presented: “The Use of Armed Force. Contemporary Challenges in Light of Prof. Skubiszewski’s Legacy”;

7-8.2010:

Visiting Max-Planck fellow at the Max-Planck-Institute for Comparative Public Law and International Law, Heidelberg, Germany;

2006-2009:

Participant in the Polish Research Project: Legal Aspects of Polish-German Relations (No. 1 H02A 036 30) co-ordinated by Prof. Dr. Władysław Czapliński (Polish Academy of Sciences, Warsaw);

2007-2008:

Visiting Alexander von Humboldt fellow at the Max-Planck-Institute for Comparative Public Law and International Law, Heidelberg, Germany;

2007:

Participant in the International Research Project on checking transposition of ten migration and asylum directives in the EU Member States carried out by the Odysseus Network under supervision of Prof. Dr. Philippe de Bruycker (Université Libre de Bruxelles) on behalf of the European Commission;

2006-2007:

National Rapporteur in the Research Project: Comparative study on the implementation of the 2003 Family Reunification Directive (2003/86/EC) in the Member States carried out by the Universidad Pontifica Comillas in Madrid and the Centre for Migration Law of the Radboud University in Nijmegen;  pdf

2005:

National Rapporteur in the Research Project: The Study on Refugee Status and Return Policies carried out by Prof. Dr. Kay Hailbronner (University of Constance) on behalf of the European Parliament;

2005:

National Rapporteur in the UNESCO Research Project: Study on Obstacles to Ratification of the 1990 Migrant Workers Convention in EU/EEA Countries co-ordinated by Dr. Ryszard Cholewinski (IOM);  pdf

2004:

National Rapporteur (Migration and Asylum Law) for the XXI FIDE (Federation Internationale de Droit Europeen) Congress in Dublin, Ireland;

2004-2007:

Lecturer at the Business School-National Louis University (WSB-NLU), Nowy Sacz, Poland;

2003-2005:

Lecturer at the Krakow School of Economics;

2002/2003:

Interim co-ordinator of the Human Rights Section of the Jagiellonian University Legal Clinic;

2002/2003:

Interim co-ordinator of the Jagiellonian University Human Rights Centre;

2001-2002:

Participant in the International Research Project: Comparison of European Military Law Systems, organised and co-ordinated by Prof. Dr. Georg Nolte (the Institute of International Law, Goettingen University);

1999/2000:

Visiting SYLFF research fellow at the Max-Planck-Institute for Comparative Public Law and International Law, Heidelberg, Germany.