John Markovs serves as the County Attorney for Montgomery County, Maryland, where he is responsible for handling high-profile political and complex legal matters.  John represents the County before State and Federal agencies and other counties, provides legal advice to elected and appointed officials, negotiates contracts, land acquisition, development, construction, and mass transportation deals, and represents the County in State and Federal courts and administrative agencies.  John directly supervises seven Division Chiefs and oversees the legal work of 50 lawyers and 30 support personnel.

Before his current role, John served as Deputy County Attorney and Acting County Attorney from 2012 to 2022, and as Associate County Attorney from 2007 to 2012. During this time, he served as general counsel for the Department of General Services, which had a budget exceeding $1 billion. Notably, he was the lead counsel in a jury trial that resulted in a $28 million recovery for the County related to the Silver Spring Transit Center.

John is licensed to practice law in Maryland, Virginia, Pennsylvania, and the District of Columbia. He is an active member of several bar associations, including the Maryland State Bar Association, where he served as Chair of the Litigation Section Council from 2014 to 2015.

Before joining the Office of the County Attorney in 2007, John spent 18 years in private practice, focusing on complex litigation. He frequently lectures on legal topics and has served as an adjunct professor at the University of Maryland School of Law, where he taught trial advocacy from 2012 to 2022. Additionally, he is a licensed real estate broker in Maryland.