In Pervasive Systems, we collaborate frequently with various research groups within the University from Faculty of Electrical Engineering, Mathematics and Computer Science (EWI), Faculty of Engineering Technology (ET), Faculty of Behavioural Management and Social Sciences (BMS), and ITC. PS also closely collaborate with Gemeente Enschede on the theme of IoT and Smart Cities and with various provinces, e.g. Overijssel, Gelderland, Noord Holland, on opportunistic and participatory sensing. At national level PS collaborates with various research institutes such as Roessingh Research and Development in Enschede, various departments of the University of Wageningen, University of Delft, Wetus in Leeuwarden, e-Science Center, and Saxion University of Applied Science. On international level, PS collaborates closely with University of Wuhan (China), University of Nanchang (China), International Institute of Information Technology Bangalore, IIITB (India), and Bogazici (Turkey) in the form of joint research and projects.