Rodrigo Tavares is a Research Fellow at United Nations University (UNU-CRIS), Belgium and the School of Global Studies, University of Gothenburg, Sweden. He also has served as a consultant to the UN and national governments.

This book is the first systematic study of the capacities of the most recognized intergovernmental organizations with a security mandate.

1. International Organizations in Regional Security 2. African Union (AU) 3. Economic Community of West African States (ECOWAS) 4. Intergovernmental Authority on Development (IGAD) 5. Southern African Development Community (SADC) 6. Organization of American States (OAS) 7. Association of Southeast Asian Nations (ASEAN) 8. Commonwealth of Independent States (CIS) 9. League of Arab States (LAS) 10. Pacific Islands Forum (PIF) 11. European Union (EU) 12. North Atlantic Treaty Organization (NATO) 13. Conclusions