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.
Shannon Flanagan-Watson
Shannon Flanagan-Watson was appointed as Deputy County Manager in May 2018, with oversight responsibility for Arlington Economic Development, Arlington Public Libraries, and a portion of the Department of Environmental Services, one of the County’s largest departments.
Samia Byrd
Samia Byrd is the Chief Race and Equity Officer, leading the County’s work to advance racial equity, diversity and inclusion both internal and external to the organization.
Lynne Porfiri
Lynne Porfiri is the Chief of Staff and has been with the County since 2008.
Bryna Helfer
Bryna Helfer is an Assistant County Manager and Director of Communications and Public Engagement.
See the County Organizational Chart
Leadership
Beth Arthur
Sheriff
Jack Belcher
Chief Information Officer and Director, Department of Technology Services
Gurjit Chima
Assistant County Manager for the Office of Human Rights, EEO & ADA
Parisa Dehghani-Tafti
Commonwealth’s Attorney
Carla de la Pava
Treasurer
Greg Emanuel
Director, Department of Environmental Services
Paul Ferguson
Clerk of the Circuit Court
Marcy Foster
Director, Department of Human Resources
Anita Friedman
Director, Department of Human Services
Diane Kresh
Director, Department of Libraries
Stephen A. MacIsaac
County Attorney
Maria Meredith
Director, Department of Management & Finance
Aaron Miller
Director, Department of Public Safety Communications and Emergency Management
Charles Penn
Acting Chief of Police
David Povlitz
Fire Chief
Gretchen Reinemeyer
General Registrar
Jane Rudolph
Director, Department of Parks and Recreation
Telly Tucker
Director, Arlington Economic Development
Other Staff Lists