Marc has developed comprehensive expertise in banking and finance law, compliance, liability and contract law, corporate law (shareholder disputes and post-M&A litigation), and insolvency proceedings. Marc also has far-reaching expertise in arbitratal proceedings and works as both counsel and arbitrator. Marc was elected President of the French Arbitration Association (AFA) in September 2017.

He is a lecturer on arbitration at several graduate programs at Paris 1 Panthéon Sorbonne University, Paris 2 Panthéon-Assas University, and Versailles – Saint-Quentin University. Marc is also the author of numerous scholarly works in this field.  He is a member of the Arbitration Commission of the French Committee of the ICC, as well as the ASA, LCIA and UIA.

Marc was previously a partner in two Anglo-Saxon law firms (Lovells and Hughes Hubbard).

He is highly ranked by various publications and is recognized as a skilled and astute negotiator.

Passionate about the arts, Marc is a patron of the Paris Opera (as a member of AROP and the Cercle Noverre), a benefactor of the Musée du Quai Branly, a spokesperson for the Cercle Lévi-Strauss within the Société des Amis du Musée, an administrator and vice-treasurer of the Friends of the National Gallery of Denmark, and a member of the Association Pour l’Art – Pour l’Afrique, as well as a jury member for the Prix Traversées Africaines.