Ragnar Andersson has a combined background in engineering, social science and medicine. After serving for fifteen years for the Swedish National Board of Occupational Safety and Health, he took his PhD in social medicine at Karolinska Institutet in 1991 on occupational injury prevention. Dr. Andersson is since 2001 holding a position as Professor of Risk Management at Karlstad University, Sweden. His research is focused on accident and injury analysis and prevention, injury surveillance, and macro-level determinants of risk and safety. He is also an experienced teacher, course leader, PhD training coordinator and supervisor, and publishes regularly with his students and fellow researchers.