is a trained conservation biologist and species specialist. He has a deep interest in terrestrial biology but has his greatest expertise in entomology and ornithology. In the world of entomology, Johan has primarily specialised in flies. He works mainly with surveys of various types, such as targeted species surveys, bird surveys and Biodiversity Assessments (NVI) according to the Swedish Standard . He also likes to work with species identification assignments. In his spare time, he is active in local nature conservation organisations and enjoys sharing knowledge about species and biodiversity.