Our Team
Blake D. DeMarr, P.E
Managing Member
Blake is a founding member of DeMarr Engineering, PLLC where he specializes in land development design for property owners and developers in the Northern Virginia and Washington DC region. Blake manages the daily business operations and supervises design production in the Arlington, VA office location.
Outside of work, Blake enjoys weightlifting, golf, and travel.
Jake A. Kirkwood, P.E.
Associate
Jake joined DeMarr Engineering in 2018 and is licensed as a Professional Civil Engineer in Washington, DC. He specializes in land development and stormwater management design in Washington DC and the surrounding region. Jake leads the civil design team and is the resident expert on Washington DC land development projects.
Outside of work, Jake enjoys running and hiking with his wife and their two dogs.
Alexander H. Miller, E.I.T.
Civil Engineer II
Alex joined DeMarr Engineering in 2022 and is a registered Engineer-In-Training (E.I.T.) in Virginia. He works under the guidance of two licensed civil engineers and focuses on civil site design for projects throughout Washington, D.C., and Northern Virginia.
Outside the office, Alex enjoys rock climbing, traveling, and exploring new cuisines.
Christopher J. Donohue
Civil Design Technician
Chris joined DeMarr Engineering in 2024 and specializes in AutoCAD drafting and project cost estimating. Chris also provides office support to our field crews with transferring data and information between field and office.
Outside of work, Chris enjoys spending time with his family and friends, whether that’s boating in the Chesapeake Bay or adventuring to new places in the DMV.
Scott Stancil
Land Survey Technician
Scott joined the land surveying division of DeMarr Engineering in 2025 and specializes in land survey data acquisition for topographic, environmental, and boundary surveys. Certificated by the Federal Aviation Administration (FAA) as a remote pilot, Scott utilizes drones equipped with cameras and LiDAR sensors to collect accurate land survey data.
Outside of work, Scott enjoys going to the gym, spending time with his dog Roscoe, and going out with friends in D.C.