Jean-Louis started his career as Project Manager in the Engineering Department of Arcelor Florange in 2005 and then moved to ArcelorMittal Worldwide CTO to bring value in several projects and Group initiatives. From 2014 onwards, Jean-Louis decided to endorse operational management roles at ArcelorMittal Dudelange plant, first as Line Manager Operations for 4 years, then as Head of Department and Plant Manager in the frame of divestment carveout process. Since January 2023 Jean-Louis joined the Segments & Products Business Development department as a Senior Market Analyst and later as a Segment Leader for Solar. Jean-Louis holds a Master's Degree from Ecole Nationale Supérieure d'Arts et Métiers (ENSAM Paristech).