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Denise_Lebeau-Marianna

Denise Lebeau-Marianna

Partner
Location Head IP&T, France
Denise is an expert on data protection. She is really attentive, sharp and has a good relationship with the regulator.
— Client, Chambers Europe 2024
Paris
About

Denise Lebeau-Marianna has a contentious and advisory practice in data protection and cybersecurity.

Her clients cover a wide scope of sectors including Information technology, food & beverages, luxury, Lifesciences, banking, insurance, aeronautic and defense.

Denise has an in depth experience in building up global compliance projects (GDPR), and cybersecurity programs. She regularly advises on regulatory compliance obligations in cybersecurity (including NIS2 Directive, Dora Act, Cyber Resilience Act, Critical Entities Resilience Directive) and on the implementation of strategic data governance projects, notably in relation with their compliance with the new EU Digital Decade Regulations (Digital Service Act, AI Act, Data Act and Data Governance Act). She is often solicited on the complex issues raised by sensitive data processing activities (resulting from global transborder data flows and legal obligations - anti-corruption, anti-money laundering, fight against terrorism financing and counterfeiting - fraud detection, e-discovery procedures and internal investigations). She is also regularly involved in projects requiring a sector-oriented approach, such as healthcare, financial or insurance sectors, thanks to her long-standing relationship with clients in these sectors.

She assists her clients when confronted to CNIL dawn raids and in the event of contentious before the CNIL’s Restricted Committee or French commercial, civil or administrative courts.

Denise has 30 years’ experience in new technologies laws, data protection regulation and cybersecurity. She is a EuroPriSe certified expert in data protection and CIPP/E accredited.

Areas of FocusTechnologyIntellectual PropertyData Protection Privacy and CybersecurityHealthcareLife SciencesInsuranceMedia Sport and Entertainment
Professional QualificationsAvocate admitted to the Paris Bar
Languages
  • French
  • English
Education
  • University Paris XI, Master IT Law, 1993
  • ESSEC, iMD en Business, 1991
  • University Paris II Panthéon-Assas, Master Private Law, 1989

Awards

Team recognitions:

  • Legal 500 – Industry focus: IT and internet – Tier 1 – 2024
  • Legal 500 – Data Privacy And Data Protection – Tier 1 – 2024
  • Chambers Europe – Band 1 – TMT – 2024

Individual recognitions:

  • Chambers Europe – TMT Data Protection – Band 1 – 2024
  • Legal 500 - Data Privacy & Data Protection - Leading Individual – 2024
  • Best Lawyers – Information Technology Law – Privacy and Data Security Law – 2017-25

Insight Overview

Denise Lebeau-Marianna is a lecturer in EU Data Privacy Law:

  • at Sciences Po - Master Enterprise, Consumers and Data Laws;
  • at the Paris II University - Panthéon-Assas - DU - Data Protection Officer.

Publications

Seminars

  • Denise is a regular speaker in professional associations (ACSEL, Cercle de la Compliance, etc.) on how companies can get prepared to the new EU Digital Decade regulations (encompassing the Digital Service Act, AI Act, Data Act, Data Governance Act, Dora Act, Cyber Resilience Act, Critical entities Resilience Directive, NIS 2 Directive), in the context of companies on going digital transformation
  • Denise is a lecturer at the University of Pantheon-Sorbonne – Assas, in charge of the data protection course in the Master dedicated to Compliance Officers
  • Generative Artificial Intelligence – Client Conference, October 2023 and more recently for a healthcare company in October 2024
  • Webinar: EDPB recommendations for safeguarding data transfers after Schrems II, November 2020
  • Webinar: Schrems II CJEU Judgment: Implications on Data Transfers, July 2020
  • Webinar: After the lockdown, how can a new way of organising work be conciliated with the business interests?, May 2020

Prior Experience

Before joining DLA Piper, Denise Lebeau-Marianna developed and led the data protection practice of an international business law firm for over twenty years.

Memberships And Affiliations

  • ACSEL (Association pour la confiance dans l'économie numérique) - Denise is the Legal advisor of the Digital Identity Commission and Confidence in the Digital Economy Task Force
  • AMCHAM - Core Team Member of Privacy Task Force Paris
  • AFCDP (Data Protection Correspondents Association) - Member
  • IAPP (International Association of Privacy Professionals) - Member

My latest insights

News

DLA Piper advises team.blue on key investment in Kolsquare

21 October 2024 .2 minute read

News

DLA Piper advises DoubleVerify on acquisition of French startup Scibids technology

26 September 2023 .4 minute read

News

DLA Piper advises Flamingo, UK’s leading supplier of cut flowers, on the acquisition of...

24 December 2021 .3 minute read

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Connect

Phone

+ 33 (0) 1 40 15 24 98
(Work, Paris)
+33 (0) 6 26 98 38 82
(Work)
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