Léo Laumônier

Léo Laumônier


Practice areas

Léo holds a Master’s degree in Labor Relations Law and Practices (University of Paris II-Panthéon Assas) and a Certificate of Aptitude for the Legal Profession (Ecole de Formation des Barreaux de la Cour d’Appel de Paris – EFB).

He advises his French and international clients on all aspects of labor law, both individual and collective, assists them in negotiations, and represents them in litigation before labor courts and social security authorities.

He has specific expertise in restructuring operations (including the implementation of PSE), company transfers or closures, social audits and collective negotiations.

Léo is also a member of AvoSial, President and Founder of the Cercle Tosca, and is particularly involved in diversity issues (member of the Autre Cercle, the Cravate Solidaire, the Bus de la Solidarité and Article 1).

Prior to joining ADVANT Altana in 2022, Léo worked for leading international and French firms.

Bar admission: 2018

Languages: French, English

Direct line: +33 (0)1 79 97 93 00

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