Meet the Black Box Billionaires: Are These America’s Most Secretive Megadonors? | Inside Philanthropy The foundations of these five megadonors sent at least four out of every five dollars to a donor-advised fund in 2022. Do they represent the future of philanthropy by the ultra-rich?

Who are the Black Box Billionaires?
Discover America's most secretive mega-donors and their impact on philanthropy.
#MichaelKavate reports:
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