Guillaume Potin

Lionel is the founder and managing partner of Galion Société d'Avocats , a Paris-based law firm advising French and international clients in Employee Benefits Law and Labor and Employment Law . He advises companies on individual employment relations , employment litigation, dispute resolution, corporate transactions, reorganizations and restructuring matters . Lionel also assists clients with Alternative Dispute Resolution (ADR), including mediation. Admitted to the Bar in 1997,...

François Zocchetto is a lawyer recognized by Best Lawyers in the practice area of Tax Law. François practices law in Paris, France Best Lawyers has recognized François Zocchetto since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which François Zocchetto is held by other lawyers.

A member of the Paris Bar since 1989, Stéphane PERRIN graduated from the Faculties of Law of PARIS XI and PARIS II Universities, where he gained a DEA postgraduate qualification in Intellectual Property. He also graduated from PARIS II Faculty of Law’s Institute of Legal Studies. He began his career within the law firms DS Avocats (PARIS) and DUBARRY, SERVAN-SCHREIBER & WEIL (PARIS then BRUSSELS), then as a partner in SCP FLAMBARD & Associés, before creating his ow...

Etienne Boursican is a lawyer recognized by Best Lawyers in the practice areas of Capital Markets Law, Corporate Law, Mergers and Acquisitions Law and Securities Law. Etienne practices law in Paris, France Best Lawyers has recognized Etienne Boursican since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Etienne Boursican is held by other lawyers.

Sylvie Welsch is a lawyer recognized by Best Lawyers in the practice areas of Biotechnology and Life Sciences Practice, Health Care Law, Litigation and Product Liability Litigation. Sylvie practices law in Paris, France Best Lawyers has recognized Sylvie Welsch since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sylvie Welsch is held by other lawyers.

Ana Vermal is a partner in the Litigation Department and co-head of the firm’s International Arbitration Group. Ana Vermal is a seasoned quadrilingual lawyer with extensive experience in both common law and civil law. With over 20 years of experience, she represents corporations from around the world on complex arbitrations arising from cross-border business transactions including acquisitions, joint ventures, distribution and licensing agreements. Ana handles arbitral proceedings under...

Bertrand Barrier has acquired a solid experience in Mergers & Acquisitions and assists international clients in their investment projects. With 20 years of international experience, Bertrand is also involved in the development of large-scale projects and infrastructures, mainly in developing countries, and has developed significant experience in the field of renewable energy.

With extensive experience, Henri-Nicolas Fleurance has built a solid reputation within the legal services market in the restructuring of French and international groups, taking into account legal, tax, labour and refinancing issues.Senior corporate officers appreciate Henri-Nicolas Fleurance’ comprehensive expertise (mergers and acquisitions, labour and tax aspects), along with his extensive and diversified experience, providing immediate, cutting-edge advice in the selection and implem...

Catherine Saint Geniest has extensive experience in complex real estate transactions such as real estate development contracts, commercial leases or leases in future state of completion. She is also involved in sales transactions, both in the context of deals and litigation. Prior to joining Jeantet in 2013, Catherine was a partner at Rambaud Martel and then at Orrick where she headed the real estate department. Catherine is a former member of the Paris Bar Council, Chartered Surveyor –...

Mathilde Houet Weil is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Mathilde practices law in Paris, France Best Lawyers has recognized Mathilde Houet Weil since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mathilde Houet Weil is held by other lawyers.