Graduated in Biology (2008) and Master in Conservation Biology (2010) from University of Évora, PhD in Biodiversity, Genetics and Evolution (2024) from University of Porto. He developed a PhD project to assess the role of roads on bats behavior and to assess its effects on long-term population viability of a selected model species (the lesser horseshoe bat, Rhinolophus hipposideros). Denis’s scientific main interests are the ecosystems’ conservation and applied ecology, focusing on impacts of infrastructures on wildlife and habitat fragmentation.