Barbara Donnellan is County Manager of Arlington County, Virginia. Ms. Donnellan began her Arlington career in 1983. Ms. Donnellan served as Director of Management and Finance (DMF) from January 2000 to October 2006, after serving as Acting Director since March of 1999.
In Oct. 2010, Mark Schwartz was named Deputy County Manager. Prior to this position, Mark served as Director of the Department of Management Finance (DMF) and Chief Financial Officer.