Yohan Oudart is the R&D manager of Nanomakers, a French SME manufacturing high performances silicon based nanoparticles. The challenges are the use of a unique process (laser pyrolysis) to manufacture particles and products applications developments. Yohan Oudart has a PhD in chemistry and 14 years of R&D experience in industrial environnement: 3 years in petrol refining within IFPEN, 7 years in mining processes development and upscaling (lithium, scandium, indium, germanium, nickel) within Eramet facilities and 4 years for Nanomakers.