Mark Schwartz
Mark Schwartz became County Manager in January 2016 after serving six months as Acting County Manager. He is a former Deputy County Manager and Director of the Department of Management & Finance.
Michelle Cowan
Michelle Cowan has been working as a Deputy County Manager since July 1, 2015. Prior to this position, Michelle has served Arlington County as the Director of Management and Finance.
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).
James Schwartz
James Schwartz was appointed Deputy County Manager in September 2015, overseeing public safety and technology. For 11 years, he served as Arlington Fire Chief.
Samia Byrd
Samia Byrd is a Deputy County Manager and serves as an advisor to the County Manager and a liaison to the County Board on planning and development related interests.
Leadership
Stephen J. Agostini
Director, Department of Management and Finance
Beth Arthur
Sheriff
Jack Belcher
Chief Information Officer and Director, Department of Technology Services
James Bonzano
Fire Chief
Carla de la Pava
Treasurer
Greg Emanuel
Director, Department of Environmental Services
Jay Farr
Chief of Police
Paul Ferguson
Clerk of the Circuit Court
Shannon Flanagan-Watson
Assistant County Manager
Marcy Foster
Director, Department of Human Resources
Anita Friedman
Director, Department of Human Services
Bryna Helfer
Assistant County Manager and Director of Communications and Public Engagement
Victor L. Hoskins
Director, Department of Arlington Economic Development
Linda Lindberg
General Registrar
Stephen A. MacIsaac
County Attorney
Aaron Miller
Director, Department of Public Safety Communications and Emergency Management
Ingrid Morroy
Commissioner of Revenue
Lynne Porfiri
Chief of Staff
Theo Stamos
Commonwealth’s Attorney
Raul Torres
Assistant County Manager
Claude Williamson
Director, Community Planning, Housing and Development
Other Staff Lists