David Férez-Mangas is a member of the Group of Advanced Studies on Violence (GEAV). He holds a Degree in Criminology from the University of Barcelona. Additionally, he owns a title in Private Investigation as well as a Postgraduate in Security Management from the University of Barcelona. He has obtained his diploma of Advanced Studies at the University of Barcelona, concerning the area of knowledge of Personality, Evaluation and Psychological Treatments. Apart from working as an associate professor of Criminology at the University of Barcelona, he is a Criminologist and Private Detective as well. Furthermore, he is currently obtaining his PhD degree, with his research activity focusing on the area of risk prediction.