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Integrity and Innovation:
Forging a Path to the Future

Mary Barthelson is an accomplished systems engineer in the space industry who is equally dedicated to community service and human rights and is most known for her work on behalf of the unhoused and low-income families in Fairfax County as well as her promotion of STEM education.

She will be a genuine advocate who leverages her engineering expertise in Richmond to ensure that Virginia's laws keep pace with the rapidly evolving technological landscape.

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BS, MS Systems Engineering, GMU

State & Local Policy Director, Reston Strong


Emerge VA Alum

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Are you in District 7?

District 7 is a newly redrawn district with an open seat, following the retirement of Delegate Ken Plum, who previously represented District 36.  Its area spans Reston, Herndon, and Fairfax - East of West Ox Rd.

Find out what district you are in by clicking here or explore the District 7 map by clicking here.

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Early Voting is Open!

Election Day June 20th, 2023

Democratic Primary



Learn more about the election and voting here.

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