In addition to his own contributions, Buffett joined with Bill and Melinda Gates in 2010 to launch the Giving Pledge initiative that seeks to address society’s most pressing problems by asking the “world’s wealthiest individuals and families to dedicate the majority of their wealth to giving back.”
The initiative started with 40 pledgers in the U.S. and has now grown to 170 pledgers from 21 countries.
Like this story? Like CNBC Make It on Facebook
Don’t miss: Marcus Lemonis donates front-row World Series tickets to 97-year-old WWII vet