Mary Barthelson

​Mary Barthelson is a systems engineer with over a decade of experience.  Presently, she serves as a Principal Systems Engineer at SAIC, where she is responsible for designing the architecture of space systems.  She holds bachelors and masters degrees in systems engineering from George Mason University. 

 

Outside of work, Mary is most known in her community for her advocacy for the unhoused in Fairfax County and for bipartisan STEM education initiatives, which she highlighted in her 2023 run for the Virginia House of Delegates.