They don't. These "foundations" are just a method used by the rich to transfer wealth intergenerationally without being hit by corporate taxes. Some are also scams to skim money from the gullable.
I'm not saying that there is anything wrong with doing anything you can to avoid giving the IRS money, but call it what it is.
I will say it again- loudly
THE CLINTOOON GLOBAL INITIATIVE IS ABOUT
THEM HIDING THEIR MONEY _AND FURTHERING THEIR
POLITICAL AGENDA-
Chelsea is just as brainwashed as these bush girls-
getting MORE than $200K to “sit on the Board”
and give other peoples money away- GREAT GIG
(OH but they are helping the poor- ) sarc