Warren Buffett (August 30, 1930) is a businessman and the most famous American investor on the New York Stock Exchange, Chairman of the Board of Directors of Berkshire Hathaway, and he is the fourth richest person in the world for the year 2020, according to the American Forbes magazine, with a fortune of $ 67.5 billion, after he was the richest Man in the world for the year [2008] with a fortune of 40 billion US dollars.