Marie-Aude Ploix is a Research Engineer (PhD in Mechanics and Acoustics) at Protisvalor/Aix-Marseille University. As a permanent member of the LCND laboratory since 2006, she has joined LMA (UMR 7031) at the time of the LCND attachment in 2012. She conducts research works on ultrasonic propagation for NDT. She is in charge of NDTValor in Aix-Marseille since 2012.