Siri Aas Rustad is a Research Professor and Research Director at the Peace Research Institute Oslo. She has more than 20 years of experience with working with conflict data and quantitative analyses. She has for the past eight years led the PRIO Conflict Trends project, and a become a regularly used expert on conflict trends both in national and international media, as well both governmental and non-governmental organizations. She has worked extensively on both causes and consequences of conflict, including maternal and children’s health, natural resources and ceasefires.