Executive Bios

Barbara Donnellan

Barbara Donnellan

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.
Marsha Allgeier, Deputy County Manager

Marsha Allgeier, Deputy County Manager

Marsha Allgeier was appointed Deputy County Manager in November 2005. Previously she was the Director of the Arlington County Department of Human Services from 2001 to 2005.
Mark Schwartz, Deputy County Manager

Mark Schwartz, Deputy County Manager

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.

Leadership

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Gabriela Acurio

Gabriela Acurio

Assistant County Manager

Beth Arthur

Beth Arthur

Sheriff

Jack Belcher

Jack Belcher

Chief Information Officer and Director, Department of Technology Services

Robert Brosnan

Robert Brosnan

Director, Department of Community Planning, Housing and Development

Jack Brown

Jack Brown

Director, Office of Emergency Management

Michelle Cowan

Michelle Cowan

Director, Management & Finance

Susanne Eisner

Susanne Eisner

Director, Department of Human Services

Paul Ferguson

Paul Ferguson

Clerk of the Circuit Court

Shannon Flanagan-Watson

Shannon Flanagan-Watson

Assistant County Manager

Marcy Foster

Marcy Foster

Director, Department of Human Resources

Terry Holzheimer

Terry Holzheimer

Director, Arlington Economic Development

Diane Kresh

Diane Kresh

Director, Department of Libraries

Linda Lindberg

Linda Lindberg

General Registrar

Stephen A. MacIsaac

Stephen A. MacIsaac

County Attorney

Ingrid Morroy

Ingrid Morroy

Commissioner of Revenue

William F. O’Connor

William F. O’Connor

Director, Department of Environmental Services

Frank O'Leary

Frank O'Leary

Treasurer

James Schwartz

James Schwartz

Fire Chief

Doug Scott

Doug Scott

Police Chief

Theo Stamos

Theo Stamos

Commonwealth’s Attorney

Diana Sun

Diana Sun

Director of Communications

Dinesh Tiwari, CPRE

Dinesh Tiwari, CPRE

Director, Department of Parks and Recreation

Raul Torres

Raul Torres

Assistant County Manager

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