Josef Heinen is the head of the group "Scientific IT-Systems" at the Peter Grünberg Institute / Jülich Centre for Neutron Science, both institutes at Forschungszentrum Jülich, a leading research centre in Germany. The design and development of visualization systems have been an essential part of his activities over the last twenty years. He is involved in several Open Source projects like GLI or GKS. Most recently his team is engaged with the further development of a universal framework for cross-platform visualization applications (GR Framework).