Private foundations Global Health Philanthropy: the problem of conflicts of interest. Private foundations are in a position where they are granted several privileges and are very powerful and able to influence global health. A recent article published on Plos Medicine, analyzing five of the largest health foundations highlights the network of interests and conflicts. Many private health foundations have associations with private food and pharmaceutical corporations. In some instances, these corporations directly benefit from foundations grants, and foundations in turn are invested in the corporations to which they award these grants.