A graduate of the Faculty of Law and Administration at the University of Warsaw, he is a legal advisor entered on the list maintained by the District Chamber of Legal Advisors in Warsaw.
Member of the Criminal and Administrative Law Department, where he deals primarily with issues related to personal data protection, as well as civil procedure and ongoing services for entrepreneurs.
He began gaining professional experience during his studies, working at a leading insurance company and at a law firm, where he was responsible for, among other things, providing ongoing services to businesses and individual clients in the agri-food industry.
Mariusz's legal interests focus primarily on personal data protection, new technologies, and contract law. Privately, he is passionate about history, politics, and computer games.
Publications
- GDPR in practice – review of case law and positions of the Personal Data Protection Office
- Entry into the KRRiT list: a guide for influencers
- Cold mailing and telemarketing in 2026 – what is legal?
- UODO takes a closer look at marketing in 2026 – the end of fictitious consents?
- Video monitoring in healthcare facilities – how to reconcile security with personal data protection?
