ZIB operates one of the centers of the National High-Performance Computing Alliance (NHR) and provides tier-2 HPC and AI infrastructure and associated scientific support for users on planning and running large scale computing and AI projects. ZIB also runs the high-speed data net of the Berlin Research Area Information Network (BRAIN), and provides large-scale data management services. Furthermore, ZIB hosts the Cooperative Library Network Berlin-Brandenburg (KOBV), the common platform of all university libraries and public libraries and numerous research, special and government libraries in Berlin and Brandenburg, and the Research and Competence Center Digitalization Berlin (digiS), an institution to coordinate and support digitization efforts of cultural assets in the city state of Berlin.