Christophe Verdy is research engineer (Dr. Ing) at UTBM in the ICB-PMDM-LERMPS laboratory. He is a precursor in metallic additive manufacturing with the near net shape spray forming of combustion chambers since 1996. He has developed a unique helium recycling system for Cold Spray. He is involved in repairing and additive manufacturing projects with the cold spray process. He also studies additive manufacturing with the LPBF process.