| Name | Role | Start | End | 
  | Inventarisation and identification of invertebrates as ecological indicators in Flemish forest reserves (Belgium) | unknown |  |  | 
  | Beetle diversity and forest characteristics in Flanders (Belgium) | unknown |  |  | 
  | Red Data Book of Dolichopodidae (Diptera) of Flanders (Belgium) | unknown |  |  | 
  | Biodiversity and ecology of Neotropic Dolichopodidae (Diptera) | unknown |  |  | 
  | Systematic position of Enliniinae and Achalcinae (Dolichopodidae, Diptera) | unknown |  |  | 
  | Key to Palaearctic Dolichopodid genera (Diptera) | unknown |  |  | 
  | Biodiversity of weevil communities (Coleoptera, Curculionidae) in tropical environments, rainforests in particular, its origin, maintenance and conservation | unknown |  |  | 
  | Systematics and phylogeny of Neotropical and Afrotropical Cryptobiina (Paederinae, Staphylinidae, Coleoptera, Insecta) | unknown |  |  | 
  | Catalogues of Diptera (Insecta) | unknown |  |  | 
  | Population genetics and evolution of phytophagous beetles, mainly leaf beetles (Coleoptera, Chrysomelidae) | unknown |  |  | 
  | Systematic revision, phylogeny and zoogeography of world representatives of Achalcus (Dolichopodidae, Diptera) | unknown |  |  | 
  | Dolichopodidae (Diptera) as bio-indicators in nature conservation | unknown |  |  | 
  | Site quality assessment using Dolichopodidae (Diptera) | unknown |  |  | 
  | Systematics, taxonomy and phylogeny of Holarctic Dolichopodidae (Diptera, Insecta) | unknown |  |  | 
  | Paleo-ecology of invertebrates in Belgium | unknown |  |  | 
  | Systematics, phylogeny, biogeography and conservation of Staphylininae (Coleoptera, Insecta) | unknown |  |  | 
  | Conservation on natural populations of edaphic insects in calcareous shale grassland: the case of Coleoptera Staphylinidae | unknown |  |  | 
  | Feeding ecology of invertebrate predators | unknown |  |  | 
  | Ecology, habitat affinity and zoogeography of European Dolichopodidae (Diptera) | unknown |  |  | 
  | Feeding ecology of carabid beetles (Carabidae, Coleoptera) | unknown |  |  | 
  | Sampling methodologies and techniques for invertebrates | unknown |  |  | 
  | Taxonomy and geography of Dolichopodidae (Diptera) in Southeast Asia and Papua New Guinea | unknown |  |  | 
  | Faunistics, ecology, zoogeography, biomonitoring, Red data lists of Diptera in Belgium | unknown |  |  | 
  | Faunistics of various insect groups in Belgium | unknown |  |  | 
  | Ecology, habitat affinity and zoogeography of Carabidae (Coleoptera) and Araneae in Belgium | unknown |  |  | 
  | Biomonitoring, faunistics, population genetics, bio-indicator research on carabid beetles (Carabidae, Coleoptera) in Belgium, with implications for nature conservation | unknown |  |  | 
  | Systematics, phylogeny and zoogeography of the world Pselaphinae (Staphylinidae, Coleoptera) | unknown |  |  | 
  | The insect fauna from Easter Island (Chili) | unknown |  |  | 
  | The use of  carabid beetle remains (Carabidae, Coleoptera) in achaeozoology (paleoecology) | unknown |  |  | 
  | Taxonomy, ecology, population genetics of carabid beetles (Carabidae, Coleoptera) on the Galapagos Isles | unknown |  |  | 
  | Ecological research on Diptera (Insecta) in the Belgian coastal dunes | unknown |  |  | 
  | Insect collections of the Royal Belgian Institute of Natural Sciences | unknown |  |  | 
  | Holarctic Dolichopodidae (Diptera) with emphasis on european species | unknown |  |  | 
  | XYLOBIOS: Diversity, ecology and roles of saproxylic organisms in Belgian deciduous forests | co-leader | 2000-12-01 | 2005-02-01 | 
  | Ecology of ground beetles (Coleoptera) in forests in Flanders (Belgium) | member |  |  |