Valentina Šapina is employed at the Ministry of the Interior, Police Academy, Police School “Josip Jovic" as a teacher of professional subjects (criminal law). After graduating from the Zagreb Police College, where she graduated in 2006, she got a job in the Ministry of Internal Affairs as a police officer for juvenile delinquency with special focus on domestic violence, which job she worked until 2015 when she was transferred to the position of leader of a group involved in the investigation of blood and sexual offenses, including domestic and juvenile violence. She also performs the duties of a police investigator in such cases. In 2012 at the Faculty of Law in Osijek she completed a postgraduate university study in criminal law and she currently attending a doctoral degree in criminal law at the Faculty of Law in Zagreb with a doctoral dissertation “Criminological Analysis of Homicidal Domestic Violence in the Republic of Croatia". Since 2016 she is a member of the Max Planck Partner Group for Balkan Criminology at the Faculty of Law in Zagreb (researcher at project: Balkan Homicide Study) and since March 2018 she is an associate at the HRZZ project “Croatian Violence Monitor" at the Faculty of Law in Zagreb.