Alain Le Duff received a PhD in Acoustics from the Université du Mans, France in 2003. He was a professor from 1989 to 2018 at the Polytechnic University of Franceville, Gabon and then at the ESEO, Angers, France, where was the head of the Electronics & Control Engineering Department in 2015. In 2000, he became a Research Fellow at the Laboratoire d’Acoustique de l’Université du Maine, France. In 2018, he joined Olympus, now Evident, as a scientist to assist our nondestructive testing (NDT) research and development (R&D). His research interests are related to signal and image processing, acoustics, and electronics. He has also contributed to several R&D programs with French and Canadian labs and companies working in the fields of biomedical and NDT industries.