PPIAF systematically distills knowledge from a variety of sources. These include over 1,800 completed technical assistance activities, multilateral development banks, and the private sector. This knowledge is freely available through online platforms, training seminars, workshops, and partnerships with academic organizations. PPIAF also funds public-private infrastructure investment fora and communities of practices to provide opportunities to network and share information. We also organize an annual Call for Global Knowledge Proposals to develop new knowledge through the research and experience of others. Our approach makes best practices for delivering infrastructure through public-private partnerships accessible to all—at a scale and reach that cannot be achieved by individual interventions alone. This emphasis on capturing, differentiating, and using knowledge is central to PPIAF’s role as a center of excellence.