Executive Bios

Barbara Donnellan

Barbara Donnellan

Ms. Donnellan was named County Manager in October, 2010, becoming the first woman named County Manager in Arlington. She began her career with the County in 1983. Under Ms. Donnellan’s leadership, Arlington County has successfully implemented nationally-recognized Smart Growth planning policies and continued the sound financial policies that have earned the County its triple-Aaa bond rating for many years.

Mark Schwartz

Mark Schwartz

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.

Carol Mitten, Deputy County Manager

Carol Mitten

Carol Mitten was appointed Deputy County Manager in December 2014. Prior to joining Arlington County, she served as the Executive Director for Urban Affairs and Headquarters Consolidation at the U.S. Department of Homeland Security (DHS).

Leadership