Professor Ineke Maas has been appointed by The Historical Sample of the Netherlands (HSN) on the chair ‘Long Term Trends in Social Openness and Social Exclusion' at the Sociology Department of VU University Amsterdam. Aim of this chair is to describe and explain international and long term historical variation in social mobility and social exclusion by connecting historical and modern data and solving problems of comparability. Ineke will work 1 day at the VU and 4 days at the Sociology Department of Utrecht University.