马克·哈姆伯格是伯克希尔-哈撒韦公司首席财务官，高级副总裁，64岁。

　　Mr. Marc D. Hamburg is CFO, Senior VP & Head-Investor Relations at Berkshire Hathaway, Inc., Treasurer at Wesco Holdings Midwest, Inc., and President at BH Finance LLC. He is on the Board of Directors at MidAmerican Energy Holdings Co., XTRA SSC Corp., and Columbia Insurance Co.