The team

The three partners and their collaborators form an experienced team, involved and committed to building trusting and lasting relationships with the firm’s clients.

Alexandre Daniel-Thézard

Alexandre Daniel-Thézard is a lawyer at the Nantes Bar. It accompanies a French and foreign clientele, made up of entrepreneurs and medium or large companies. It intervenes to solve their economic or heritage problems, in France or abroad, in the fields of tax law, corporate law and family business law.

René Ledru

René Ledru is a lawyer at the Paris Bar. His practice is mainly devoted to customs law, international trade regulations, indirect taxation and commercial law. He acts in these areas both as counsel and in litigation in all types of proceedings (civil, criminal, commercial, administrative) before the French and European courts.

Samuel Moreau

Samuel Moreau is a lawyer at the Paris Bar and specializes in tax and corporate law. He advises French and international companies and groups of companies on legal and tax matters in the context of their recurring and exceptional operations: investments, financing operations, structuring of sales or external growth.

François Chomard

After spending five years at August & Debouzy in Paris, François Chomard joined Rineau & Associé as a partner in April 2013, and became a partner in February 2018. He joined Leonard as a partner in September 2024.

He mainly intervenes in corporate law, in the context of current and exceptional operations of social life. He also has solid experience in pre-litigation and litigation relating to corporate law. He promotes a voluntary approach to the issues and projects on which he intervenes, and he is keen to always place the client in a position to make the most informed choices to serve their interests. The vast majority of his files come from consulting, in which his experience leads him to pay particular attention to the protection of the client’s future interests, whatever the hypotheses considered.

François Chomard holds a Master’s degree and a DESS in Business Law, a Master’s degree in international business obtained at Kedge Business School Marseille and a DU in Comparative Law obtained at the University College of London.

Mathias Hermse
Counsel

After several legal experience in companies and law firms and more than 11 years as a tax lawyer in the Paris branch of the law firm Lette Lette – Partners, an international law firm specializing in taxation, Mathias Hermse joined our firm in 2019.

He intervenes on transactions with a heritage capital, whether French or international, in consulting or litigation. He deals with tax and legal issues that concern business leaders, employees or the wealthy.

Camille Larrosa

Registered at the Paris Bar since 2016. Prior to working for The law firm Léonard Avocats, Camille Larrosa practiced in a reputable French law firm in business law (corporate law, mergers and acquisitions and commercial contracts) and was a corporate and stock law lawyer in the legal department of the Havas Group.
Camille Larrosa is mainly involved in corporate and commercial law. Camille Larrosa holds a Master’s degree in Business Comparative Law, Paris II Pantheon Assas and a Diploma in Law, Kent University, United Kingdom.

Olivia Morice

Registered at the Paris Bar since 2019, Olivia joined the firm in January 2022 to strengthen our tax division, mainly in corporate taxation.
Olivia holds a Master 2 specializing in contractual practice and business litigation as well as a Master 2 specializing in Taxation.

Before working with Léonard Avocats, Olivia practiced in French firms specializing in business law and taxation.

Vincent Cahierc

Vincent holds a Master 2 in Business Law from the I.C.E.S., including two years in the legal department of a regional group.

Vincent joined the firm in October 2025 as a jurist. He is mainly involved in corporate law.

Léonard Avocats - Responsable administratif et financier

Claire Fricou

Claire Fricou is the firm’s administrative and financial manager.

Manon Grasser

Manon Grasser, is the legal assistant of the firm.
She works in the context of the current legal and administrative secretariat, the formalities with the registries and the Commercial Courts, the follow-up of procedures and files with the courts and the general management of the firm (HR, communication, documentation).

Tiffen Penanguer

Tiffen PENANGUER joined our team after three years of experience as a legal assistant in a firm specializing in maritime law.

She is now responsible for the management of the administrative and legal secretariat: preparation and follow-up of files, follow-up of the formalities carried out by lawyers with registries and courts and coordination of administrative tasks. She also contributes to the general organization of the firm in close collaboration with Mrs. FRICOU.