Diane Nyessi
Lawyer
Diane Nyessi advises on construction and insurance litigation alongside Julie Piquet, partner.
Before joining DELCADE in April 2026, Diane worked as an associate in real estate litigation at Cheysson Marchadier & Associés. She further developed her expertise in this field through internships at Osborne Clarke, Advant Altana, and the International Commercial Chamber of the Paris Court of Appeal, where she handled a wide range of disputes.
Diane holds a Master’s degree in Arbitration and International Trade Law from the University of Versailles – Paris Saclay. She is also trained in mediation and negotiation, skills she put into practice during her experience at ENGIE as a mediation lawyer.
She is a laureate of the Young Lawyers European Contest 2024 at the CJEU, as well as the commercial mediation competition organised by the CMAP in 2023.
Expertise
Our rankings
Her recent publications
Shadow Payroll and International Assignments in France: a compliance guide for foreign employers
Foreign companies deploying employees or executives to France face a layered set of obligations that span employment law, payroll reporting, taxation, social security coordination, and immigration procedures. Managing these requirements in isolation — through separate providers across different jurisdictions — often leads to gaps, duplications, or costly errors. DELCADE’s International Assignment Services practice offers a […]
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DELCADE ranked Tier 1 in The Legal 500 France 2026
DELCADE is ranked Tier 1 in the France – The Regions category of The Legal 500 2026. The firm has therefore been recognised for nine years as one of the leading business law firms in the regions. The guide highlights the quality of the support provided by DELCADE’s teams: “Noted for its ‘professionalism, dedication to […]
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Financing models for football clubs: developments and legal challenges
Professional football today faces a complex economic equation, driven in particular by growing demands for sporting competitiveness against a backdrop of instability in certain traditional revenue streams. In this context, clubs can no longer rely solely on income from broadcasting rights, matchday revenues or conventional sponsorship. Over the past fifteen years, a marked diversification in […]
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