LAWYER PROFILE
Undine von Diemar

Undine von Diemar

Germany 2026

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Ranked in 1 practice area

About

Provided by Jones Day

Germany

Career

With more than 20 years of experience, Undine von Diemar advises clients across all industry sectors on their most critical data protection matters, including incident response and subsequent litigation, internal investigations, international data transfers, and global compliance projects. She represents clients in proceedings before data protection authorities and has a strong track record advising clients on data and cybersecurity issues in M&A transactions.

Undine advises clients on the new EU data and cybersecurity regulations, including the Data Act (DA), Artificial Intelligence Act (AI Act), Digital Services Act (DSA), Digital Operational Resilience Act (DORA), the Cyber Resilience Act (CRA) and the Network Information Security Directive 2 (NIS 2). Advising on technology transactions and sourcing projects, particularly in the context of cloud computing, artificial intelligence and high performance computing (HPC) technologies, is another cornerstone of her practice.

Among the clients that Undine is advising are well-known international technology companies, such as SAP, WiseTech Global, BlackBerry and Recorded Future, globally acting semiconductor companies as well as banks, FinTech and life science companies. Undine is also advising ICANN in Europe and globally.

She leads Jones Day's German and European Cybersecurity, Privacy & Data Protection Practice.

Chambers Review

Provided by Chambers

Chambers Germany

TMT: Data Protection - Germany

Band 2
Band 2

Individual Editorial

Munich-based practitioner Undine von Diemar is a sought-after adviser due to her strong expertise in all data protection-related issues, ranging from international data transfers and GDPR framework implementation to health data applications and employee data processing.

Indviduelles Editorial

Die in München ansässige Expertin Undine von Diemar ist aufgrund ihrer umfassenden Expertise in allen datenschutzrelevanten Bereichen, von internationalen Datenübertragungen und der Umsetzung der DSGVO bis hin zu Anwendungen im Bereich Gesundheitsdaten und der Verarbeitung von Mitarbeiterdaten, eine gefragte Beraterin.

Strengths

Provided by Chambers

  • Undine von Diemar gives us great support and is a pleasure to work with.

    TMT: Data ProtectionChambers Germany
  • Undine von Diemar always provides us with advice that is clear, pragmatic and tailored to our operations.

    TMT: Data ProtectionChambers Germany
  • Undine von Diemar is highly knowledgeable, precise and reliable in all GDPR-related matters.

    TMT: Data ProtectionChambers Germany
  • Undine von Diemar is very responsive and provides us with an excellent service.

    TMT: Data ProtectionChambers Germany
  • Undine von Diemar is an excellent lawyer who is able to digest and advise on complex topics.

    TMT: Data ProtectionChambers Germany
  • Undine von Diemar ist eine hervorragende Anwältin, die komplexe Sachverhalte schnell erfassen und kompetent beraten kann.
    TMT: Data ProtectionChambers Germany

Ranked Individuals at Jones Day (10)

Germany

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