Gérard Filippi, a passionate entomologist and naturalist expert, is a man with many projects. In 2011, he founded Ecotonia, a naturalist and environmental engineering firm that places biodiversity at the heart of urban development strategies to reduce their ecological footprint. He and his team enriched by Eliot, a fauna-flora research dog, notably carry out entomological expertise missions within the framework of inventories and diagnoses, research of heritage species, populations monitoring, and impact studies.