Buffet loves making money, is may be the wrong guy to give it away.

Based on his article, his children seem very locally oriented rather than global visionaries.

If I was him, I would not leave this to my kids, who may never agree on much, and then there is zero impact and the pile of cash just sits there doing nothing.

The Scottish billionaire Tom Hunter (who go rich from selling shoes) hired a team of 30 who spent a decade working of charitable giving (spending Tom's one billion pounds donation, which if I remember correctly was at least at the time the largest one in UK history).