Charles Thomas Munger was an American businessman, investor, and philanthropist. He was vice chairman of Berkshire Hathaway, the conglomerate controlled by Warren Buffett; Buffett described Munger as his closest partner and right-hand man. Munger served as chairman of Wesco Financial Corporation from 1984 through 2011. He was also chairman of the Daily Journal Corporation, based in Los Angeles, California, and a director of Costco Wholesale Corporation.