The “Instituto Cajal” is a neuroscience research center assigned to the Spanish Research Council (CSIC). The Cajal institute is the oldest neurobiology research center in Spain. Along its more than 100 years of existence, renowned scientists and professionals have spread worldwide and contributed to the remarkable advancement of neurobiology. Today, the Cajal Institute is prepared to confront the future challenges and to maintain the leading role in neurobiological research in Spain, always keeping in mind that the final destination of knowledge is the well being of the society.