Stéphane GUERIN, senior finishing expert, at Cetim for 30 years. I manage leading industrial projects focused on process optimization and innovation. I bring expertise in advanced finishing techniques, like hybrid processes, electrochemical deburring, robotic polishing, laser texturing, vibratory finishing, électropolishing, laser polishing… I have a speciality in the reworking and finishing of parts produced by additive manufacturing and contribute to the development of hybrid finishing processes for example with the Pemec patent FR 3093016 B1. I drive R&D and technology transfer initiatives, working in partnership with different institutes and university labs. In addition i lead a finishing community of over 300 industrial professionals through projects on deburring, finishing, and surface functionalization. I support industrial engineering company through feasibility studies, process selection, and the deployment of high-performance finishing solutions, including the implementation of shared pilot units (UPDP) for industrial scaling.