American businessman, investor, philanthropist
Warren Buffett, born in 1930, is the chairman and CEO of Berkshire Hathaway. Known for his investment success, he is one of the world's best-known investors with a net worth of $139 billion. Buffett is recognized for his adherence to value investing and frugality, despite his immense wealth. He has pledged to donate 99 percent of his fortune to philanthropic causes, primarily through the Bill & Melinda Gates Foundation.