Aside from being investor, Warren Buffet is also known for his philathropic activities. Buffett pledged to give away 99 percent of his fortune to philanthropic causes, primarily via the Gates Foundation.
Reported today by ABC, Warren Buffet just gave away $1.5B to Gates Foundation. Gates Foundation was organized by Microsoft founder Bill Gates and wife Melinda.
Here's an info about Bill & Melinda Foundation.
About the Foundation
Our belief that every life has equal value is at the core of our work at the foundation. We follow 15 guiding principles, which help define our approach to our philanthropic work, and employ an outstanding leadership team to direct our strategies and grantmaking.
Check out Wikipedia for more info about Warren Buffet.