Barbara Le Chapellier

Nathalie Metallinos is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Nathalie, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathalie is held by other top lawyers in the same geographic and legal practice area.

Jean-François Puget is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law, Litigation and Trade Law. Jean-François, who practices law in Paris, France, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean-François is held by other top lawyers in the same geographic and legal practice area.

With more than 15 years of experience appearing before U.S., E.U., and French regulators, Sara has consistently guided clients through the intricacies of domestic and cross-border regulatory matters. Her practice encompasses advisory services, implementation, investigations, and disputes—most notably in the financial services and banking, health care, technology and new media, and telecommunications sectors.

Adrien Debré is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Private Equity Law. Adrien, who practices law in Paris, France, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adrien is held by other top lawyers in the same geographic and legal practice area.

Frederic Destal specialises in public law and is involved in regulatory issues linked to governmental authorities and legislatures, as well as in all types of administrative disputes. He also assists and advises during procurement procedures and at the termination of the delegation of public services particularly in the telecommunication networks sectors (internet, fibre optics, etc.). He is also involved in major telecommunications projects. Frédéric Destal also has profound ex...

Olivier Purcell is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Transportation Law. Olivier, who practices law in Paris, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Olivier is held by other top lawyers in the same geographic and legal practice area.

A specialist in digital law, Éric Le Quellenec has led several large-scale GDPR compliance and digital transformation programs for major French and international corporations. He advises both software providers and end-users on AI projects, combining risk management with accountability in usage—most tools used in the HR field being classified as high-risk under current regulations. For large-scale projects such as HRIS or talent and career management systems, he has taken on role...

For more information, please visit www.gibsondunn.com/lawyer/michalon-julia-barbara/.

Jean-Baptiste Santelli is a top attorney recognized by Best Lawyers in the practice area(s) of Project Finance and Development Practice. Jean-Baptiste, who practices law in Paris, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean-Baptiste is held by other top lawyers in the same geographic and legal practice area.

Antoine Vergnat is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Antoine, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antoine is held by other top lawyers in the same geographic and legal practice area.