Warren Buffett
Name: Warren Buffett
Charities: Bill & Melinda Gates Foundation

Biography
Warren Buffett is one of the most successful investors in the world. Often called the "legendary investor Warren Buffett", he is the primary shareholder, chairman and CEO of Berkshire Hathaway. He is consistently ranked among the world's wealthiest people and currently the third wealthiest person in the world as of 2010.

Buffett is known as the "Oracle of Omaha" or the "Sage of Omaha" and is noted for his adherence to the value investing philosophy and for his personal frugality despite his immense wealth. Buffett is also a notable philanthropist, having pledged to give away 85 percent of his fortune to the Gates Foundation. He also serves as a member of the board of trustees at Grinnell College.