Yannick specialises in structuring and negotiating IT and software outsourcing, development and maintenance arrangements. He also regularly advises on IT and technology mergers and acquisitions (M&A) and restructurings, with particular focus on Transitional Services Agreements (TSAs) and complex IT disentanglements and data transfers. In addition, Yannick frequently advises on implementation projects for key EU tech and cybersecurity legislation, helping organisations translate the requirements of the Digital Operational Resilience Act (DORA), the EU Artificial Intelligence Act (AI Act) and NIS2 into practical, durable controls, policies and agreements.

Beyond his transactional and regulatory work, Yannick follows the Dutch legal landscape as it evolves to address emerging technologies, with particular interest in the challenges and opportunities presented by quantum computing, smart buildings and artificial intelligence.







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Memberships

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Dutch bar association
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iTechlaw
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Dutch Association for Information Technology and Law
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Qualifications

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Postdoc IT law, Grotius Academy, 2019-2020 (cum laude)
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The Law Firm School, Nijmegen, 2018
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Commercial and Company Law (LL.M.), Erasmus University Rotterdam, 2014
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Ondernemingsrecht (LL.M.), Leiden University, 2015
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Publications

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Y. Geryszewski & P. Schoenmakers, De Transitional Services Agreement: het ondergeschoven kindje van de transactie?, TOP 2022/346 (afl. 7, p. 20-25)
Event
Private Equity Expert Series
Amsterdam
06-06-2025
09:00 - 10:00 CEST
Expert Series Private Equity
A collection of insightful breakfast sessions covering a variety of private equity-related topics.

What others say

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"Yannick Geryszewski is a very knowledgeable, proactive and pragmatic attorney. He is quickly up to speed in complex matters and great to work with."
Legal 500 - EMEA (2024)
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"Pjotr Heemskerk and Yannick Geryszewski are fast-thinking, knowledgeable and quick to respond. Pjotr Heemskerk cannot be beaten when it comes to knowledge of contract law and intellectual property law, and Yannick Geryszewski is about to take over the Dutch IT law market."
Legal 500 - EMEA (2024)
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"Yannick Geryszewski will always allocate his deep knowledge of IT law to your business" unique needs."
Legal 500 - EMEA (2024)
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Yannick Geryszewski named "Rising star" in Industry focus: Information Technology
Legal 500 - EMEA (2024)
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Yannick Geryszewski named "Key lawyer" in Industry focus: Information Technology
Legal 500 - EMEA (2024)
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‘Yannick Geryszewski actively presents different possibilities. He also thinks practically and ensures that parties that are not legally literate can also understand the matter.’
Legal 500 - EMEA (2023)
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Yannick Geryszewski named "Rising star" in Industry Focus: Information Technology
Legal 500 - EMEA (2023)
Quote icon
Yannick Geryszewski named "Key lawyer" in Industry Focus: Information Technology
Legal 500 - EMEA (2023)
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‘Yannick Geryszewski is a senior associate to watch. Very knowledgeable and fast-thinking. Strong track record in M&A which is very relevant in tech transactions.’
Legal 500 - EMEA (2022)
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"Senior associate Yannick Geryszewski is highly rated for his expertise in transactions and has experience in service agreements and software and data migration."
Legal 500 - EMEA (2022)
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Mr. Yannick Geryszewsk is also a positive thinker with exceptional personal and communication skills.
Legal 500 - EMEA (2020)
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"Positive thinker’ Yannick Geryszewski plays a central role in the team’s risk management and litigation work"
Legal 500 - EMEA (2020)
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Yannick Geryszewski

Senior Associate - Attorney at Law

yannick.geryszewski@loyensloeff.com

Amsterdam

Dutch , English

Person image

<p>Yannick Geryszewski, attorney at law, specialises in IT and software outsourcing, IP/IT aspects of M&A deals and implementation of key EU tech and cybersecurity legislation.<br><br>Drawing on his Corporate/M&A background, Yannick negotiates efficiently and practically, consistently balancing commercial and technical considerations.<br></p>

Yannick specialises in structuring and negotiating IT and software outsourcing, development and maintenance arrangements. He also regularly advises on IT and technology mergers and acquisitions (M&A) and restructurings, with particular focus on Transitional Services Agreements (TSAs) and complex IT disentanglements and data transfers. In addition, Yannick frequently advises on implementation projects for key EU tech and cybersecurity legislation, helping organisations translate the requirements of the Digital Operational Resilience Act (DORA), the EU Artificial Intelligence Act (AI Act) and NIS2 into practical, durable controls, policies and agreements.

Beyond his transactional and regulatory work, Yannick follows the Dutch legal landscape as it evolves to address emerging technologies, with particular interest in the challenges and opportunities presented by quantum computing, smart buildings and artificial intelligence.