Sylvain started his career managing commercial credit in France and Germany before moving to West Africa. He was the Financial Controller for Louis Dreyfus Commodities in Abidjan and Accra before helping develop an LNG business which became the leader in its field, before joining Mitsui & Co in 2022. He joined Demeter in 2023 to spearhead the development of Demeter Côte d'Ivoire, which was incorporated in 2024.