- Attended, Law, Community College of Baltimore County, 2008-2009
- Candidate, Maryland State House of Delegates, District 10, 2018
- Former Police Officer, Baltimore County
- Former Employee, Captain Harvey's
- Volunteer, Greater Chesapeake Big Brothers Big Sisters, 2013-present
Brian Marcos (Republican) was a candidate who sought election to the Maryland House of Delegates to represent District 10. Marcos lost the general election on November 6, 2018, after advancing from the primary on June 26, 2018.