Member of the NWO-ALW evaluation committee for funding applications
Member editorial team for the new revised edition of Principles in Laboratory Animal Science
Senior editor of the journal Evidence-based preclinical medicine
Evaluation of a Master thesis Epidemiology, University of Stellenbosch, South Africa.
Theme editor for Systematic Reviews in editorial board of Laboratory Animals.
Referee for NC3Rs project (Medical Research Council) UK.
Invited scientific expert to EU FP5 project Anim.Al.See.
Referee for scientific journals: British Medical Journal, Laboratory Animals, Animal Welfare, British Medical Journal, PloSOne, JAALAS, Scandinavian Journal for Laboratory Animal Science, Acta Oncologica, ILAR Journal, Physiology and Behaviour, Pharmacology and Toxicology, Ugeskrift for Læger (Danish Medical Journal)