Joanna Mazur

Assistant Professor

The Murphy Institute
Office Address
Tulane Law School, 255A
Joanna Mazur

Biography

Joanna Mazur is an assistant professor at the Faculty of Management at the University of Warsaw, analyst at the Center of Antitrust and Regulatory Studies and Digital Economy Lab (DELab) UW. Her work focuses on European Union law of new technologies, data protection law, and competition law. Since 2025 she has been a Principal Investigator in an OPUS project "New legal acts, old enforcement problems? Disentangling the complexities of the enforcement of EU law concerning digital technologies" funded by the National Science Centre, Poland. Her fellowship at the Tulane University is funded by the Kosciuszko Foundation. The American Centre of Polish Culture. 

View Work

Publications

Journal Articles (in English)

  • Antoni Napieralski, Joanna Mazur, "The European Commission’s understanding of the term ‘ecosystem’: lessons for future enforcement under the revised Notice on the Definition of the Relevant Market", Journal of Antitrust Enforcement, 2025, jnaf023, https://doi.org/10.1093/jaenfo/jnaf023.
  • Joanna Mazur, Claudio Novelli, Zuzanna Choińska, "Should data protection authorities enforce the AI Act? Lessons from EU-wide enforcement data, International Data Privacy Law", 2025, ipaf033, https://doi.org/10.1093/idpl/ipaf033
  • Sztandar-Sztanderska K and Mazur J (2025) "Politics and algorithmic articulation of law: tracing the discrepancies and backstage decision-making in the development of the profiling algorithm in Polish labour market policies". International Journal of Law in Context, 1–20. https://doi.org/10.1017/S1744552325100141
  • Gyódi, K., Mazur, J., Cocola-Gant, A. (2025) "Barcelona as a case study for the effectiveness of short-term rental market regulations", Cities, https://doi.org/10.1016/j.cities.2025.105915
  • Mazur, J. and Bernatt, M. (2024) "Can the Automated State Be Trusted? The Role of Rule of Law Safeguards for Governing Automated Decision-Making and Artificial Intelligence", Georgia Law Review, 58(3), Article 6, https://digitalcommons.law.uga.edu/glr/vol58/iss3/6
  • Słok-Wódkowska, M. and Mazur, J. (2024) "Between commodification and data protection: Regulatory models governing cross-border information transfers in regional trade agreements", Leiden Journal of International Law, 37(1), 111-138, https://doi.org/10.1017/S092215652300050X
  • Mazur, J. and Włoch, R. (2024) "Embedding digital economy: Fictitious triple movement in the European Union’s Artificial Intelligence Act", Social & Legal Studies, 33(1), 104-123, https://doi.org/10.1177/09646639231152866
  • Mazur, J. (2023) "Who (and why) gets cited by the Commission? The role and quality of expert knowledge in Google antitrust saga", European Competition Journal, 19(2), 261–284, https://doi.org/10.1080/17441056.2023.2195330
  • Mazur J., and Serafin, M. (2023) "Stalling the state: how digital platforms contribute to and profit from delays in the enforcement and adoption of regulations", Comparative Political Studies 56(1), 101-130 https://journals.sagepub.com/doi/10.1177/00104140221089651
  • Mazur, J. and Słok-Wódkowska, M. (2022) "Access to Information and Data in International Law: How to Find a Path Forward from Human Rights-Oriented and Market-Oriented Approach?", Nordic Journal of International Law, 91(2), 310–338, https://brill.com/view/journals/nord/91/2/article-p310_005.xml
  • Mazur, J. and Słok-Wódkowska M. (2022) "Secrecy by default: How regional trade agreements reshape protection of source code", Journal of International Economic Law, 25(1), 91–109, https://academic.oup.com/jiel/article/25/1/91/6534278?searchresult=1
  • Mazur, J. (2021) "Automated decision-making systems as a challenge for effective legal protection in European Union law", European Law Review 46(2), 194–210
  • Mazur, J. (2021) "Can public access to documents support the transparency of automated decision-making? The European Union law perspective", International Journal of Law and Information Technology 29(1), 1–23, https://academic.oup.com/ijlit/article-abstract/29/1/1/6032486?login=false
  • Grzeszczak, R., and Mazur, J. (2021). "Regulating without Regulation? Regulating without the Sovereign?: The Good Governance Concept versus Automated Decision-Making in Poland in the Light of European Union Law", Review of Central and East European Law, 46(3-4), 321-345, https://doi.org/10.1163/15730352-bja10056
  • Słok-Wódkowska, M. and Mazur, J. (2021) "The EU's regional trade agreements: How the EU addresses challenges related to digital transformation", International Journal of Management and Economics, 57(2), 105-120. https://doi.org/10.2478/ijme-2021-0009
  • Słok-Wódkowska, M. and Mazur, J. (2021) "Regulating the digital environment: what can data protection law learn from environmental law?", Problemy Współczesnego Prawa Międzynarodowego, Europejskiego i Porównawczego, 19, 13–43, https://doi.org/10.26106/0ptv-0g79
  • Mazur, J. (2019) "Automated Decision-Making and the Precautionary Principle in EU Law", TalTech Journal of European Studies, 9(4), 3-18 16.
  • Mazur, J. (2019) "Regulation on Unjustified Geoblocking: A Hardly-Existing Market Facing a Hardly-Existing Challenge?", Pécs Journal of International and European Law, I-II, 99-106
  • Mazur, J. (2018) "Right to Access Information as a Collective Based Approach to the GDPR’s Right to Explanation in European Law", Erasmus Law Review 11(3), 178–189, http://www.erasmuslawreview.nl/tijdschrift/ELR/2018/3/ELR_2018_011_003_004
  • Maciej Sobolewski, Joanna Mazur, Michał Paliński  (2017) "GDPR: A step towards a user-centric internet?", Intereconomics 52, 207–213, https://link.springer.com/article/10.1007/s10272-017-0676-5

 

Chapters (in English)

  • Mazur, J. (2025) "Protection of Personal Data in the European Union and Its Role in Setting the Regulatory Framework for Data Sharing", In Data Sharing Regulation in Europe, Zoboli, L., & Bernatt, M. (Eds.) (Routledge) https://doi.org/10.4324/9781003248255
  • Mazur, J., and Choińska, Z. (2024) "Chapter 7: European Union data protection law and the use of facial recognition technology for the purpose of fighting crime". In Artificial Intelligence and International Human Rights Law (Cheltenham, UK: Edward Elgar Publishing, 2024) 2024, https://doi.org/10.4337/9781035337934.00015
  • Mazur, J. (2024) "Access to Data, Databases, and Algorithms in the Digital Markets Act and the Digital Services Act". In K. Tyagi, A.K. Sanders and C. Cauffman (eds), Digital Platforms, Competition Law, and Regulation: Comparative Perspectives, Oxford: Hart Publishing, 87–102, http://dx.doi.org/10.5040/9781509969418.ch-005
  • Mazur, J. (2023) "Artificial Intelligence vs Data Protection: How the GDPR Can Help to Develop a Precautionary Regulatory Approach to AI?". In: A. Kornilakis, G. Nouskalis, V. Pergantis, T. Tzimas (eds) Artificial Intelligence and Normative Challenges. Law, Governance and Technology Series, Cham: Springer, 215–233 https://doi.org/10.1007/978-3-031-41081-9_12.

Education & Affiliations

  • 2021 – PhD in Law (with distinction), Faculty of Law and Administration, University of Warsaw
  • 2017 – MA in Law, Faculty of Law and Administration, University of Warsaw
  • 2016 – MA in Liberal Arts (specialising in social sciences) College of Liberal Arts, University of Warsaw
  • 2013 – BA, College of the Liberal Arts, University of Warsaw
  • 2013 - BA, international relations, Faculty of Journalism and Political Science, University of Warsaw