Warren Buffett is an American business magnate, investor, and philanthropist. He is considered one of the most successful investors in the world. Some key points about Buffett: He began his entrepreneurial career at a young age, buying Coca-Cola from his grandfather's store and reselling it for a profit. Throughout his childhood and schooling, he started and ran various small business ventures. As an investor, some of his core philosophies include buying and holding for long-term value, patience, and assigning capable managers. He has had immense success investing in companies like Berkshire Hathaway, Apple, Bank of America, Coca-Cola, and Kraft Heinz.