Frank Valentin

Philippe Portier is in charge of Corporate Finance/M&A, Corporate Compliance/CSR and Public Affairs/Lobbying. He is a specialist in corporate governance, executive remuneration (Say on Pay) and compliance (anti-corruption programmes, due diligence plans, etc.) and contributes to the work of the Institut Montaigne, Fondation Croissance Responsable and the IFA. From 2012 to 2021, he chaired the Association des Avocats Lobbyistes (AAL).

Philippe Moncorps, Partner since 2017, supports our practice in the media and new technologies sectors. An expert in audiovisual transformations (content production and protection, advertising models and brand content challenges, etc.), he has expanded his practice to other sectors that are also facing accelerated digitization issues. He provides his services as an advisor and in litigation, on cases involving intellectual property law, media law, audiovisual and film production law and regul...

As a business lawyer, Sylvie Perrin mainly intervenes in banking and finance. With a solid reputation in asset and project finance transactions acting for major Banks and Financial institutions, Sylvie assists many Financial Advisers and internationally based companies in organizing the most efficient debt structuring for various types of projects. She is recognized in the setting up of complex, innovative asset and project finance deals. Over her long experience, she has acted for various ac...

Nathalie PEYRON is co-head of the Property Department with Benoît BOUSSIER. She provides advice and assistance to investors (French or foreign) for their property acquisition and to real estate developers on both developing and finalizing property transactions. She also works in the hospitality sector and advises operators and owners on the implementation and legal management of all their works projects. She writes and negotiates all contracts relating to finalizing and managing propert...

Christophe Relu is a lawyer recognized by Best Lawyers in the practice area of Corporate Governance and Compliance Practice. Christophe practices law in Paris, France Best Lawyers has recognized Christophe Relu 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 Christophe Relu is held by other lawyers.

Vanessa holds a specialty certificate in Intellectual Property (trademark law, design law, literary and artistic property, computer and telecommunications law). She trained at the University of Pantheon-Assas. She holds a D.E.A. in Corporate Law from the University of Paris Dauphine and a D.E.S.S. in International Trade Law. She also studied Intellectual Property in London at the University of Queen Mary and Westfield College. Vanessa worked as an Associate Lawyer for the law firm Hirsch for ...

Before joining UGGC Avocats, Alison Leroy worked for 7 years at Carakters, then at Franklin from 2020, and recently at Bersay, where she opened the “Life Sciences, Biotech and Pharma R&D” department. Her experience covers regulatory affairs, site and production unit management, and the negotiation and management of R&D and business development contracts (collaborative research contracts, co-development contracts, clinical trial contracts, French and European consortia, etc...

Marie-Muriel Barthelet is a lawyer recognized by Best Lawyers in the practice area of Private Equity Law. Marie-Muriel practices law in Paris, France Best Lawyers has recognized Marie-Muriel Barthelet 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 Marie-Muriel Barthelet is held by other lawyers.

Head of the Health Care Departments, Gilles advises and defends French and European leaders such as publicly and privately managed health institutions, laboratories, professional associations, medical equipment and pharmaceutical product manufacturers, and health care practitioners. He is considered to be an architect in the health care field.

Alexis Rapp is a lawyer recognized by Best Lawyers in the practice areas of Insolvency and Reorganization Law and Litigation. Alexis practices law in Paris, France Best Lawyers has recognized Alexis Rapp since 2021. 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 Alexis Rapp is held by other lawyers.