Lockheed Martin has  named Brian Colan as controller and chief accounting officer, effective Aug. 18, 2014. Colan replaces Christopher Gregoire, who has held the position since March 2010 and will lead the financial responsibilities for Lockheed Martin mission systems and training as vice president of finance and business operations.

In his new position, Colan will lead the corporation’s accounting, financial planning and analysis, government finance and tax functions. Colan previously was controller, missiles and fire control, and controller, electronic systems, for Lockheed Martin. In those roles, he was responsible for financial accounting and internal controls, reporting, financial planning and analysis, and government accounting and compliance.

Prior to joining Lockheed Martin, Colan served in a variety of increasingly responsible positions at British Aerospace Systems in Arlington, Virginia.