Sławomir Kowalski

Ranked in 1 Practice Areas

Band 3

Data Protection

Poland

1 Years Ranked

About

Provided by Sławomir Kowalski

Europe

Practice Areas

Sławomir Kowalski is a leading expert in personal data protection and privacy with over a decade of specialized experience. He advises data-intensive industries, including the largest insurance companies and major IT/e-commerce businesses. His practice focuses on assessing complex business models employing cutting-edge technologies such as machine learning and predictive analysis. He has successfully represented clients in high-profile cases before Polish Data Protection Authorities, notably defending morele.net against substantial penalties in early 2023.

He is consistently recognized by prominent legal directories: Chambers and Partners (Band 4 in TMT: Data protection for four years), Legal 500 EMEA ("Next Generation Partner" 2020-2023), and Rzeczpospolita ranking (“Leader, no. 1 lawyer in 2025").

Before establishing _Just_LAW, Mr. Kowalski co-founded Maruta Wachta’s Data Protection practice, recognized as a top-tier practice.

Career

Previous professional experience:

- Maruta Wachta – Partner

- PwC Legal – Advocate

- LDS Łazewski Depo & Partners – Lawyer

- CMS Cameron McKenna – Lawyer

Industry Sector Expertise

Insurance

Retail

Financial services

TMT

Education

Languages Spoken

Polish, English

Chambers Review

Provided by Chambers

Chambers European Guide

Data Protection - Poland

Band 3

Individual Editorial

Sławomir Kowalski advises clients on data protection matters, including GDPR compliance and international data transfers.

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Strengths

Provided by Chambers

Sławomir Kowalski is very decent and great to collaborate with. He is really driven, interested and professional when it comes to privacy and advising clients on privacy.