Jean Castelain

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 ...

Pierre Linais is a member of the Litigation, Arbitration and Mediation department. He represents many French and foreign clients in pre-litigation and litigation matters, particularly in the banking, insurance, transportation, construction and energy sectors. His main practice areas are corporate commercial and operational litigation, financial litigation and enforcement proceedings. He also has specific experience in industrial claims and complex proceedings in which judicial experts are app...

Gaëlle Saint-Jalmes is a top attorney recognized by Best Lawyers in the practice area(s) of Regulatory Practice. Gaëlle, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gaëlle is held by other top lawyers in the same geographic and legal practice area.

Olivier Baratelli, born in Nancy on October, 1964, is a French lawyer specializing in business criminal law, press law and the art market. Career Olivier Baratelli studied law at the University of Nancy, in parallel with a degree in political science. Together with Paul Lombard, with whom he worked from 1989 to 2017, they defended Prince Victor-Emmanuel of Savoy, son of the last King of Italy, before the Paris Assize Court, where they obtained his acquittal on murder charges. In France, he is...

Cyril Deniaud advises French and foreign clients (listed companies, investment funds, institutional investors and banks) in connection with market transactions (takeover bids, IPOs, issues of shares or securities giving access to capital, delistings, management and employee shareholdings, etc.).

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

Merav Griguer is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law and Regulatory Practice. Merav, 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 Merav is held by other top lawyers in the same geographic and legal practice area.

Anne-Sophie Poggi is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Technology Law. Anne-Sophie, 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 Anne-Sophie is held by other top lawyers in the same geographic and legal practice area.

Leyla Djavadi is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, European Union Law, Franchise Law and Retail Law. Leyla, who practices law in Paris, France, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leyla is held by other top lawyers in the same geographic and legal practice area.

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