||Honorary SKOU professorship at Aarhus University, Denmark
||3 months’ visiting professorship at Aarhus University, Department of Clinical Medicine, Denmark
||Professor in Evidence-Based Laboratory Animal Science, RadboudUMC
|2005 – 2017
||Professor in Laboratory Animal Science and Managing Director of Centraal Dierenlaboratorium (central animal facility), Radboud University Medical Center (RUMC), Nijmegen, The Netherlands.
||Professor in Laboratory Animal Science and Comparative Medicine, Biomedical Laboratory, Faculty of Health Sciences, University of Southern Denmark – Odense and head of the Biomedical Laboratory (central animal facility)
|1996 – 1997
||Assistant Professor, Biomedical Laboratory, University of Southern Denmark
|1989 – 1996
||Animal Welfare Officer, head of the animal unit, Animal Welfare Officer and project manager at the Diet & Health Research section, Unilever Research Laboratory, Vlaardingen, the Netherlands
|1987 – 1991
||Thesis: “Diet and nephrocalcinosis in the laboratory rat”, Department of Laboratory Animal Science, Utrecht University, the Netherlands. Supervisors: Prof. Dr. L.F.M. van Zutphen and Prof. Dr. A.C. Beynen
|1986 – 1987
||Biomedical research into hypertension in SHR and SHR/SP rats, Japan, sponsored by a grant from the Japanese government (Monbusho).