Charles Thomas Munger (born January 1, 1924) is an American investor, businessman, and philanthropist. He is vice chairman of Berkshire Hathaway, the conglomerate controlled by Warren Buffett. Buffet has described Munger as “[his] partner." Munger served as chairman of Wesco Financial Corporation from 1984 through 2011. He is also the chairman of the Daily Journal Corporation, based in Los Angeles, California, and a director of Costco Wholesale Corporation.