Executives, lawyers, DPOs and former colleagues of the CNIL testify to the research The firm's continued excellence, based on rigor, proximity and determination.

“The Odoné firm supported us in our exchanges with the CNIL on complex personal data subjects, specific to the energy sector. Their regulatory expertise and the clarity of their analyses make them a trusted partner on the most sensitive issues.”


“Working with Odoné for several years on particularly sensitive data protection issues in the energy sector, we appreciate their responsiveness and pragmatism. Thanks to their detailed understanding of how the regulator works, they regularly assist us in complex situations, especially in the pre-litigation phase.”


“I worked with Joanna for several years at the CNIL, notably on transport and energy matters. She has a deep and precise understanding of data-protection law and combines strategic vision with pragmatic judgement. She is able to assess complex issues rapidly and provide clear, practical advice.”

“Odoné assisted us both in contributing to a CNIL working group and in negotiating a public contract on complex data-protection matters. The firm combines solid expertise with pragmatic, responsive and close support for our teams.”


“Joanna is a highly skilled professional, with a deep data-protection expertise and working with her is always a pleasure. I was very pleased to have her as a colleague at the CNIL."


“I worked with Joanna at the CNIL on several technically complex cases. She has a strong understanding of security requirements and quickly grasps technical issues. She is pragmatic, efficient and shows excellent judgement in her analyses. Working with her is a real pleasure. I recommend Joanna without hesitation!”


“I work regularly with Joanna on complex and strategic data matters. She notably assisted us in conducting a mock CNIL inspection, from which we gained valuable insights. Joanna is responsive, dynamic and has an in-depth knowledge of the regulatory framework.”


“A highly competent, responsive and pragmatic lawyer who has supported us on a wide range of strategic projects. Joanna adapts smoothly to all types of stakeholders, and her risk-management approach was appreciated by everyone.”


“Joanna is a well-respected expert in data protection. Her strong subject-matter expertise and understanding of how companies operate enable her to balance legal constraints with business imperatives.”


“I regularly work with Me Joanna Masson on matters involving personal data.
Her support has consistently been effective, marked by professionalism, responsiveness and an ability to adapt to each situation.
Her diverse experience and in-depth knowledge of the applicable regulations enable her to offer a pragmatic and rigorous approach.
Working with her is always a pleasure.”
