Alexander Butchart is the Violence Prevention Unit Head in the Department for the Social Determinants of Health at the World Health Organization (WHO) in Geneva, Switzerland. His responsibilities include the development of policy for the prevention of interpersonal violence, preparation of guidelines for the prevention of specific types of interpersonal violence, and the coordination of research into various aspects of interpersonal violence and its prevention. A major focus is on preventing and responding to violence against children through development and implementation of the INSPIRE: Seven strategies for ending violence against children technical package.