Olivier Chazot, PhD in Applied Science at Institut National Polytechnique de Grenoble (INPG 1997), ESA Post-doctoral fellow (1998-2000), started in 2000 as assistant professor at the von Karman Institute for Fluid Dynamics (VKI). He is presently professor and Head of the Aeronautics and Aerospace department at VKI. His research activities are carried out in high enthalpy facilities and plasma wind tunnels for aerospace ground testing. He specifically studies laminar to turbulent transition in hypersonic regime and Gas-Surface Interactions on TPS for re-entry flows. He also participates in ESA flight missions for the development of flight-testing experiments on EXPERT probe, IXV mission and QARMAN re-entry CubeSat. He is currently involved in the Clean-Space program.