Jean-Louis Perrin, 55, Executive director of Association pour le cheval de Przewalski : TAKH, has a scientific background in earth sciences – Master degree in subsurface geophysics of IPGP (earth geophysical sciences institute of Paris), also studied geology (University of Orleans – France, and University of Rhode Island – USA). He worked mainly for SETEC LERM, a private French engineering and research laboratory on construction materials, first as a geophysicist engineer specialized in radar survey for assessment and conservation of civil engineering and heritage construction works, he then developed responsibilities in marketing, human resources management, communication. He also was the scientific coordinator of a collaborative research project (2015-2019) called Diamond (for on-site diagnosis and monitoring of corrosion rate in concrete and metallic structure) involving researchers, state institutions, industrial and financial partners.