He is one of the two founding authors of the Netherlands Governmental Reference Architecture (NORA), which is the official reference architecture for all layers of government in the Netherlands. He is one of the three key authors of the GEMMA Information Architecture, in which the principles of the NORA have been translated into concrete designs to enable local governments across the Netherlands to act as the entry point of citizens and businesses to all government services. He is currently working on a project to connect all provincial governments in the Netherlands to the national databanks.