About Me

I am a Counsel in the Privacy & Data Protection team in Warsaw.

I have been advising clients since 2007 and specialise in privacy and data protection.

I advise companies on a range of domestic and international data and privacy compliance projects, including the implementation of global data management strategies, international data transfers and data compliance issues. Over the years I've built up in-depth experience in supporting data rich companies from various technology driven sectors. This allows me to better understand the diverse environments in which my clients operate.

I have extensive experience in managing global contract review projects and support companies in drafting and negotiating data protection agreements and transfer provisions. I am passionate about Legal Tech solutions that facilitate legal work in these projects.

Clients value my support in crisis situations and data incidents. I orchestrate global data breach assessments and notifications and support companies locally by representing them during audits and in proceedings before the Data Protection Authority and the courts.

I combine a passion for data protection with an interest in unmanned aerial systems, and advise clients on regulatory and privacy issues in this emerging sector.

I have authored numerous publications on data protection and privacy, and have been a speaker at many training sessions and conferences.


  • University of Warsaw, Postgraduate Studies, Intellectual Property Law
  • University of Warsaw, Diploma
  • University of Warsaw, German and European Law
  • University of Warsaw, Center for American Law Studies
  • Georg-August-Universität Göttingen


  • Polish Bar Association
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Izabela Kowalczuk-Pakuła, Marta Kwiatkowska-Cylke, and Emilia Stępień all create a unique client-legal counsel connection, providing spot-on and easy-to-apply advice in uncertain regulatory environments. Outstanding team overall.

The Legal 500 EMEA 2023

Marta Kwiatkowska-Cylke is professional with a very good knowledge of GDPR in marketing, very helpful and dedicated to her clients. Emilia Stępieñ helps us periodically when her extensive experience and involvement is needed.

The Legal 500 EMEA 2022

Marta Kwiatkowska-Cylke is responsive and an outstanding lawyer.

The Legal 500 EMEA 2021

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