Gilles Ringeisen

Xavier Pernot is a partner in charge of the litigation-arbitration-mediation practice. With his experience in assisting our clients in strategic and high-stakes litigation, Xavier leads a multidisciplinary team whose main areas of practice are corporate litigation and equity transactions, commercial and operational litigation, and complex industrial and financial litigation. The team also acts in insolvency proceedings, enforcement proceedings and criminal business law.

Albane Lancrenon is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice and Litigation. Albane, who practices law in Paris, France, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Albane is held by other top lawyers in the same geographic and legal practice area.

Philippe Guibert is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Competition / Antitrust Law, European Union Law and Litigation. Philippe, who practices law in Paris, France, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philippe is held by other top lawyers in the same geographic and legal practice area.

Hélène de Saint Germain is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law and Labor and Employment Law. Hélène, 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 Hélène is held by other top lawyers in the same geographic and legal practice area.

Laurent Julienne is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law. Laurent, 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 Laurent is held by other top lawyers in the same geographic and legal practice area.

Pierre-Marie Boya is a Private Equity M&A partner and a member of the Firm’s Private Capital industry group. Pierre-Marie’s practice focuses primarily on highly regulated industries, including technology and healthcare, as well as energy and infrastructure. His clients include private equity sponsors, venture capital firms, and public and private companies, which he supports throughout the full life cycle of their investments. Pierre-Marie advises clients on a wide range of co...

Jacques Messeca is a top attorney recognized by Best Lawyers in the practice area(s) of Sports Law. Jacques, 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 Jacques is held by other top lawyers in the same geographic and legal practice area.

Arnaud Moquin is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Arnaud, 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 Arnaud is held by other top lawyers in the same geographic and legal practice area.

Gwenaëlle Artur is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Gwenaëlle, 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 Gwenaëlle is held by other top lawyers in the same geographic and legal practice area.

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 ...