The Cologne Graduate School of Ageing Research (CGA) in Germany is a joint venture of the University of Cologne Excellence Cluster on Stress Responses in Aging-Associated Diseases (CECAD), the University Hospital Cologne, the Max Planck Institute for Biology of Ageing and the Max Planck Institute for Metabolism Research. Cologne has emerged as a leading global research cluster with a stellar constellation of institutes and scientists dedicated to ageing research in Life Sciences.