Stanislas Roux-Vaillard

Matthieu Grollemund is a Private Equity M&A partner and a member of the Firm’s Private Capital industry group. Triple-qualified in French, U.S., and U.K. law, Matthieu has over two decades of experience advising on complex cross-border transactions in highly regulated sectors, including technology and healthcare. Matthieu advises private equity sponsors, venture capital firms, public and private companies, as well as boards and special committees, on high-stakes investments, public ...

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...

Stanislas Lequette is a lawyer recognized by Best Lawyers in the practice areas of Litigation, Maritime Law and Transportation Law. Stanislas practices law in Paris, France Best Lawyers has recognized Stanislas Lequette since 2020. 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 Stanislas Lequette is held by other lawyers.

Hélène Said is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Hélène practices law in Paris, France Best Lawyers has recognized Hélène Said 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 Hélène Said is held by other lawyers.

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,...

Aurélien Djafari-Rouhani is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Aurélien practices law in Paris, France Best Lawyers has recognized Aurélien Djafari-Rouhani since 2023. 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 Aurélien Djafari-Rouhani is held by other lawyers.

Yam Atallah is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Yam practices law in Paris, France Best Lawyers has recognized Yam Atallah since 2019. 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 Yam Atallah is held by other lawyers.

Anne Maréchal is a lawyer recognized by Best Lawyers in the practice area of Financial Institutions. Anne practices law in Paris, France Best Lawyers has recognized Anne Maréchal 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 Anne Maréchal is held by other lawyers.

Thibault Hubert is a lawyer recognized by Best Lawyers in the practice area of Structured Finance Law. Thibault practices law in Paris, France Best Lawyers has recognized Thibault Hubert since 2026. 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 Thibault Hubert is held by other lawyers.

Olivier Moriceau joined UGGC Avocats in 2021 as a partner in charge of the Banking & Finance department with more than 15 years of experience in international business law firms in Paris. For more than 15 years, he has been advising clients on all types of domestic and cross-border financings. He assists both French and foreign clients in connection with their listed and unlisted bonds issues (including Euro PP issues) and loan facilities covering the whole spectrum of syndicated corporat...