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Maria is a PhD researcher at the Department of Law and a supervisee of Prof. Deirdre Curtin. Her research interests include data protection and governance of the digital public sphere. Currently, she investigates enforcement of the General Data Protection Regulation by national data protection authorities, focusing on cross-border, cross-sectorial, and exterritorial cooperation mechanisms.

Before joining the EUI, Maria worked as a press officer at the European Parliament. She holds a Master’s degree in law (long-cycle program) and a Bachelor’s degree in Polish philology from the University of Warsaw.  She studied at the College of Interdisciplinary Studies in Humanities and Social Sciences (MISH UW).

Maria is a member of the Management Committee of the Data Protection Scholars Network. She is an editor of the Digital Constitutionalist and an active member of the EUI Digital Public Sphere Working Group. She contributed to several research initiatives, including a judicial training project FRiCORE – Fundamental Rights In Courts and Regulation. She also actively engages in a public debate around GDPR enforcement and testified during a  hearing before the European Parliament’s Committee  on Civil Liberties, Justice and Home Affairs (LIBE). She gained a practical insight into cross-border enforcement of the GDPR during a legal traineeship at NOYB – European Center for Digital Rights in Vienna. 

Ph.D. research: “Referees or Rambos? Cooperation between the EU national authorities in digital public governance”

Recent publications: 

  • No, the Data Protection Complaint is Not a Petition‘, ELB Blogpost 5/2024, 25 January 2024
  • Three EDPB Binding Decisions in the Art. 65 GDPR Procedure and Two Major Questions for the Future‘  (2023) 9 European Data Protection Law Review 55
  • Chiara Angiolini, Sandrine Clavel, Federica Casarosa, Maria Magierska, ‘Effective Data protection between administrative and judicial enforcement’,  in: ‘Effective Data Protection and Fundamental Rights, edited by Paola Iamiceli, Fabrizio Cafaggi, Chiara Angiolini, Scuola Superiore della Magistratura, Rome – 2022
  • MAGIERSKA, Maria Stefania (2022), What role for the data protection authorities during the COVID-19 pandemic?, Francisco DE ABREU DUARTE and Francesca PALMIOTTO (eds), Sovereignty, technology and governance after COVID-19 : legal challenges in a post-pandemic Europe, Oxford : Hart Publishing, 2022, pp. 193-212  
  • GONZÁLEZ FUSTER, Gloria, AUSLOOS, Jef, BONS, Damian, BYGRAVE, Lee A., LAZAROTTO, Barbara da Rosa, DRECHSLER, Laura, GKOTSOPOULOU, Olga, HRISTOV, Christopher, IRION, Kristina, JASMONTAITE, Lina, KROESE, Charlotte, LYNSKEY, Orla, MAGIERSKA, Maria Stefania, The right to lodge a data protection complaint : ok, but then what? : an empirical study of current practices under the GDPR, Data Protection Law Scholars Network (DPSN), Access Now, 2022 –  
  • [book review] A. E. Waldman, Industry Unbound: The Inside Story of Privacy, Data, and Corporate Power, Book Review, European Data Protection Law Review, Volume 8 (2022), Issue 3. 
  • [book review] A. Newman, H. Farrell, Of Privacy and Power: The Transatlantic Struggle Over Freedom and Security, Book Review, European Data Protection Law Review, Volume 6 (2020), Issue 4. 
  • Justifications of Judgements in Polish Courts –Genological Perspective, [in:] Polish Legal Language – new challenges, new perspectives, Warsaw 2016 
  • Language of Polish Courts [in:] Polish Legal Language – European Perspective, Warsaw 2015