PSI and YouthAIDS rely on partnership, and they work to harness different capabilities and strengths from their partners to enhance end results. Indeed, because all of PSI/YouthAIDS’ programmatic work is conducted in-country, it cannot operate effectively or efficiently as a global organization without local cooperation and knowledge. Partnership helps to avoid duplication of effort and also works to maximize health impact given limited budget. The PSI/YouthAIDS model is built on the assumption that those with the most complete knowledge of the local context, people’s needs and stakeholder concerns are best placed to make informed decisions. As such, by.