He was the finalist of the Central and Eastern European Moot Court Competition organised by the University of Cambridge in 1998.

He also taught European and constitutional law at the Gdansk School of Public Administration and Gdańsk University of Technology.

He obtained his PhD in law in 2000 ("("The Principle of the Separation of Powers under the Judicial Review and the Constitutional Role of Courts in United States of America") and habilitation in 2021 (“Legal Guarantees for Sustainable Information Processing at the Age of Big Data”).

He is a member of the programme committee of the journals “The European Data Protection Law Review” and “Prawo Mediów Elektronicznych”.

2006-2008 he served as an advisor on e-government in the political cabinet of the Minister of Internal Affairs and Administration in Poland and then as Director of the Department of Informatisation in the Ministry of Internal Affairs and Administration (2008-2010), and by virtue of this position he also became Secretary of the Committee of the Council of Ministers for Informatisation and Communications.