The Fraunhofer Institute for Open Communication Systems, or FOKUS, is an organization of the Fraunhofer Society. Headquartered in Berlin (Charlottenburg), the institute is engaged in applied research and development in the field of Information and Communications Technology. The institute is jointly led by Prof. Manfred Hauswirth and Dr. Tom Ritter. Manfred Hauswirth also holds a chair at the Technische Universität Berlin. Dr. Tom Ritter is the institute's deputy director.