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The original item was published from 9/28/2020 12:43:00 PM to 1/1/2021 12:00:07 AM.

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Posted on: September 14, 2020

[ARCHIVED] Dorri O’Brien is New Loudoun County Chief of Staff

Photo of Loudoun County Chief of Staff Dorri O'Brien

Loudoun County Administrator Tim Hemstreet has announced that Dorri O’ Brien will be the new Chief of Staff in the Office of the County Administrator. O’Brien currently serves as Chief of Staff for Broad Run District Supervisor Sylvia Glass. She previously served as Chief of Staff to then-Board of Supervisors Vice Chairman Ralph Buona, a position she held from 2012 through 2019.

“Dorri brings considerable institutional knowledge of both the Board of Supervisors’ business and processes, as well as county government,” said Loudoun County Administrator Tim Hemstreet. “Her 15-plus years of experience with the county will be valuable as we continue to support the Board of Supervisors’ strategic vision for the organization and our community.”

The Chief of Staff’s duties include overseeing administrative staff and operations of the Office of the County Administrator; serving as liaison to the Board of Supervisors, their aides and county departments; managing the Board agenda process; supporting development of the county budget; and managing special projects.  

O’Brien began her service to Loudoun County with the Department of Economic Development. In 2003, she was hired for the newly created position of Business Ambassador and in 2005 she was promoted to Marketing and Communications Manager. Prior to working for Loudoun County, she worked in marketing in the private sector. 

O’Brien earned a Bachelor of Arts degree in English from George Mason University.

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