Antoine has been working in the gas industry for more than thirty years, with Shell first, then with Total Energies and since 2000 with Geogas. In 2012, he set up Geogas Entreprise, the investment arm of the Geogas group dedicated to gas storage and distribution, which is now present in eighteen countries worldwide. He is a graduate of the Paris School of Management (ESCP) as well as the Sorbonne University in Paris.