Dr. Leatherwood brings to the Board senior-level executive experience with publicly-held corporations. Dr. Leatherwood's experience includes business unit management for a Fortune 500 transportation company. From 1986 to 1991, Dr. Leatherwood was President and Chief Executive Officer of CSX Equipment Group. In 1985, Dr. Leatherwood was Vice Chairman of Chessie System Railroads and Seaboard System Railroad. From 1983 to 1985, Dr. Leatherwood was President and Chief Executive Officer of Texas Gas Resources Group. From 1977 to 1983, Dr. Leatherwood held positions with Texas Gas Resources Corporation, a conglomerate of transportation and energy businesses with both revenues and assets in excess of $2.0 billion: 1982 to 1983, Executive Vice President; 1980 to 1982, Senior Vice President and Chief Financial Officer; 1979 to 1980, Vice President and Assistant to the President; and 1977 to 1979, Vice President, Planning and Systems, Trucking Division. Dr. Leatherwood is currently Chairman Emeritus of the Baltimore & Ohio Railroad Museum, a non-profit corporation. Dr. Leatherwood was formerly a director of Dominion Energy, Inc., MNC Financial, Inc., CSX Corporation, Virginia Electric and Power Company, Inc., and Dominion Resources, Inc.