Quy-Toan (Toan) Do is the Co-Director for the World Development Report 2023 and a Lead Economist in the Development Research Group. His research focuses on Fragility, Conflict and Violence with an emphasis on conflict, crime, and forced displacement. He is the lead author of the recent Policy Research Report Violence without Borders: The Internationalization of Crime and Conflict. He holds a PhD in economics from the Massachusetts Institute of Technology (USA) and an MA from Ecole Polytechnique (France).