Rosario del Rey Alamillo is an associate professor in the Department of Psychology and Education at the University of Seville. He is a member of the research group directed by Rosario Ortega, which has allowed him to participate in projects funded nationally and internationally, and to spend time in various European universities. School violence and preventing it through coexistence is the topic that has focused his research. Also address this issue their works, scientific and informative, published nationally and internationally. He recently made ​​a research on the analysis of coexistence in secondary schools, where includes the phenomena of indiscipline, the feeling of insecurity and violence.