Languages
- Polish
- English
- Spanish
Social media
Adriana Zdanowicz-Leśniak is an advocate and a Counsel in the Intellectual Property and Technology, Media & Telecommunications practice at CMS Poland.
Adriana specializes in privacy, data protection, and technology law, offering expert advice to clients across a range of sectors, including automotive, digital economy, online services, telecommunications, and IT. Adriana manages large-scale, multinational privacy projects for key CMS clients and has deep expertise in transportation regulatory law, artificial intelligence, and automotive compliance. She represents clients in privacy-related cases before the Data Protection Authority, administrative courts, and other relevant authorities, including matters concerning PNR data and counterfeit cases before criminal courts.
Her expertise includes the EU regulations, particularly the AI Act, Digital Services Act (DSA), and whistleblowing laws. Adriana is dedicated to mentoring younger lawyers at CMS, sharing best practices in legal advice and client communication. As a respected author, she has published numerous articles on privacy, AI, and HR-GDPR topics.
She is a lecturer at SWPS University, teaching on emerging technologies. She regularly speaks at conferences, conducts training sessions, and holds workshops for clients on GDPR, and the AI Act. Her commitment to pro bono work further extends to advising various foundations and charities.
Relevant experience
Memberships & Roles
Awards & Rankings
Education
Adriana Zdanowicz-Leśniak is an advocate and a counsel in the Intellectual Property and Technology, Media & Telecommunications practice at CMS Poland.
She is a CIPP/E-certified expert and a member of the Artificial Intelligence Working Group at the Ministry of Digital Affairs, she has been advising clients for years on the most complex projects at the intersection of technology, law, and data protection. She specializes in AI regulations, AI governance implementation, GDPR compliance, and digital regulations.
She represents clients in proceedings before the Polish Data Protection Authority (UODO) and supports them at every stage – from audits and data processing agreements to employee data challenges.
She also advises on IP protection, including infringement cases, trademarks, and anti-counterfeiting. Adriana assists leading technology companies with IT contracts and due diligence reviews. Her experience represents a unique combination of legal expertise and technological know-how.
