Xavier Nyssen

With more than 30 years of experience, Laetitia Squercioni is specialized in tax law. She has regularly been dealing with matters involving the tax management of the income and personal assets of private individuals (French or foreign) and taxation of companies, providing advice and assistance on litigation. Laetitia gets regularly involved in providing assistance to individuals (managers or company officers notably) to deal with their tax issues (wealth tax, inheritance tax issues in interna...

Pierrick Le Goff is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice and International Arbitration. Pierrick, 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 Pierrick is held by other top lawyers in the same geographic and legal practice area.

Michel Ponsard is one of the partners in charge of the UGGC Avocats Competition Law Departement, present since the law firm's inception after an experience in Brussels. His practice mainly focuses on competition law and distribution, but also on the law of commercial contracts and commercial practices, as well as to the right of promotion and publicity. More precisely he works for a French and international clientele in fields as diverse as the automotive sector, the pharmaceutical sector, pe...

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

Sabine Naugès is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law, Public Law and Regulatory Practice. Sabine, 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 Sabine is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/harroch-ariel/ .

David Gordon-Krief is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Real Estate Law. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

With more than ten years of experience, Mathilde represents French and international companies in litigation and international arbitration matters.

Sarah Lenoir is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Privacy and Data Security Law. Sarah, 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 Sarah is held by other top lawyers in the same geographic and legal practice area.

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...