The correct way to give is to do so anonymously. Bill Gates and Buffett both have agenda's via their tax deductable "charitable" work.
Bill Gates' family has a history. Perhaps you should follow this up.
"Marlene Castro knew the tall blonde woman only as Laurene, her mentor. They met every few weeks in a rough Silicon Valley neighborhood the year that Ms. Castro was applying to college, and they e-mailed often, bonding over conversations about Ms. Castro’s difficult childhood. Without Laurene’s help, Ms. Castro said, she might not have become the first person in her family to graduate from college.
It was only later, when she was a freshman at University of California, Berkeley, that Ms. Castro read a news article and realized that Laurene was Silicon Valley royalty, the wife of Apple’s co-founder, Steven P. Jobs."
