Dr. Nicolas Sallez is a metallurgical engineer specializing in materials characterization, welding metallurgy, and heat treatment processes. He began his career with a focus on Materials for Nuclear Energy, completing a PhD in partnership between Areva, EDF and CEA on optimizing powder metallurgy routes for stainless‑steel cladding materials for the ASTRID Gen-IV project. In 2015, he joined Solo Swiss SA as a metallurgist, where he developed advanced heat‑treatment processes and established an in‑house metallurgy laboratory dedicated to feasibility studies, failure analysis, process development, and training.

Since 2021, he has been part of the FRAMATOME Saint‑Marcel Technical Center, expanding his expertise to welding and forging metallurgy and supporting the growing involvement of FRAMATOME in metal additive manufacturing. As technical manager of a laboratory operating under NF EN ISO 17025, he contributes to technical expertise, knowledge transfer, and formal training. He also collaborates with numerical modeling teams on fracture mechanics, welding simulation, and phase transformation, while actively participating in several FRAMATOME Task Forces and in the metallurgy community to strengthen metallurgical cooperation across the organization.