Caroline Drujon d'Astros

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...

After he graduated from St Jean de Passy in Paris, Kiril Bougartchev studied at Université Paris II Panthéon-Assas. He has post-graduate diplomas in Business Law (Magistère) and in Tax Law (DESS). He first worked as an intern at l’Oreal in Paris and carried out several internships at renowned US law firms (Coudert Brothers, etc.) and securities brokers (Morgan, Olmstead, Kennedy & Gardner), before he started his career in 1988 as an auditor at Arthur Andersen. A...

Léon Del Forno is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Litigation. Léon, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Léon is held by other top lawyers in the same geographic and legal practice area.

Karl Hepp de Sevelinges is a partner at Jeantet, admitted to the Paris, Frankfurt (Rechtsanwalt) and New York (FLC) bars. Specialized in Mergers & Acquisitions, he advises industrial companies, financial institutions and international funds, particularly German-speaking ones, on their investments in France. Karl has significant experience in corporate acquisitions and reorganizations, and advises French and International listed and non-listed companies. He leads a team of international la...

Mireille Mull-Jochem, Partner since 2018, is involved in corporate and private equity, and more particularly in the structuring of management companies and investment funds. She advises portfolio management companies as well as industrial and service groups on the structuring of their investment vehicles and on all their regulatory and/or specific issues. Particularly involved in private equity activities, she intervenes in the following areas: structuring of private equity investment vehicle...

Jérôme’s practice is focused on all aspects of international and domestic taxation and primarily on tax aspects of mergers and acquisitions, group structure reorganizations and private equity transactions.

Yam Atallah is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Yam, who practices law in Paris, France, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yam is held by other top lawyers in the same geographic and legal practice area.

Eric Muller is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Eric, 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 Eric 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 ...

With 30 years’ experience, Thierry Brun is a recognised specialist in mergers & acquisitions, joint ventures and company restructuring. His multi-sectoral activity is mainly focused on international transactions for high-end clients including corporates and investment funds, both French and foreign, to whom he offers support in their strategic growth and/or restructuring projects in France and abroad. He also manages strategic litigation and arbitration proceedings related to his ar...