Marcus Simon serves in the Virginia State House of Delegates. He identifies as a Democrat.
2014
–Endorsed John Foust (D) for Representative of Virginia, 10th District (lost general election)
2017
–Endorsed Ralph Northam (D) for Governor of Virginia (won)
–Endorsed Justin Fairfax (D) for Lieutenant Governor of Virginia (won)
2018
–Endorsed Vangie Williams (D) for Representative of Virginia, 1st District (lost general election)
–Endorsed Jennifer Wexton (D) for Representative of Virginia, 10th District (won)
2020
–Endorsed Qasim Rashid (D) for Representative of Virginia, 1st District (lost general election)
2021
–Endorsed Terry McAuliffe (D) for Governor of Virginia (lost general election)
–Endorsed Hala Ayala (D) for Lieutenant Governor of Virginia (lost general election)
–Endorsed Jay Jones (D) for Attorney General of Virginia (lost primary)
2022
–Endorsed Don Beyer (D) for Representative of Virginia, 8th District (won)
2024
–Endorsed Briana Sewell (D) for Representative of Virginia, 7th District (lost primary)
2025
–Endorsed Abigail Spanberger (D) for Governor of Virginia (won)