Presently, Marc D. Hamburg occupies the position of Chief Financial Officer & Senior Vice President for Berkshire Hathaway, Inc. and President of BH Finance LLC and Manager of Burlington Northern Santa Fe LLC (both are subsidiaries of Berkshire Hathaway, Inc.).

He is also on the board of Precision Castparts Corp., XTRA Corp., Richline Group, Inc. and Berkshire Hathaway Energy Co.

Marc D. Hamburg previously held the position of Treasurer for Wesco Holdings Midwest, Inc.