CDA Collaborative Learning Projects (CDA) is an international non-profit organization headquartered in Cambridge, Massachusetts. CDA improves the effectiveness of peacebuilding, development, humanitarian organizations and corporations working in fragile and conflict-affected contexts.

Through its unique collaborative learning approach, CDA combines rigorous analysis and evidence-based methodologies to produce useful tools and guidance for practitioners and policymakers alike. In strengthening the work of its partners, CDA contributes to positive, systematic, and lasting change for people and communities, while also influencing policy and practice across the sectors in which it works.