Planet Aid (the yellow clothing donation boxes) are run by a Danish cult called Tvind.
They sell all the clothes donated, keep about 75% for operational costs. The rest of the money they donate to "development" aid projects in Africa. The catch is Tvind also runs those projects, so they skim most of the money off there as well and do very little actual good.
To be upper management in either the projects or planet aid, you have to join the cult, where you must commit to hand over control of your bank account, not drink, and not get married.