The Spanish National Cancer Research Centre is a public institution of excellence committed to research, diagnosis and treatment for cancer. The CNIO currently houses 22 Research Groups, organised in 7 Scientific Programmes, plus 5 Clinical Research Unit(s) that work closely with several hospitals. These scientific groups are supported by 19 Core Units that provide state-of-the-art facilities and technical expertise. The CNIO also has an Experimental Therapeutics Programme leader in academic drug discovery.