Lars Peter Sønderbo Andersen is a psychologist and has a PhD in work and organizational psychology. He graduated from Aarhus University in 2001. He got his PhD from Aarhus University in 2006. He worked as a clinical psychologist and researcher at the Department of Occupational Medicine in Herning since 2004. His research focuses on psychosocial work environment and how this may be associated with work-related violence and threats in schools, prisons, and hospitals.