Researcher and professor at the University of Navarra, where he has been working since 1997. He specializes in Ecology and soil Zoology, focusing on the biodiversity and ecology of microarthropods, particularly Collembola and other soil organisms. He has published numerous studies on the taxonomy, biogeography, and ecological dynamics of these invertebrates, contributing to a better understanding of their role in terrestrial ecosystems. Since 2021, he has served as the Director of the Department of Environmental Biology, and since 2024, he has been the Deputy Director of the Museum of Sciences at the same university.