||Advisor on forest tree improvement, Danida Forest Seed Centre. Evaluation and analysis of an international series of species and provenance trials of arid zone species, analysis of other provenance trials. Conduction of training workshop on statistical analysis of provenance trials. Planning of multi-species trials in Bolivia. De-velopment of breeding programme for Teak in Côte d'Ivoire and Ghana. Research in poor people's preferences and use of trees. Development of tree seed networks in Burkina Faso. Evaluation of tree seed project.