RE/MAX Advantage Realty, part of an international real estate sales organization, was founded in Columbia, Maryland in 1988. In 1992, Karavasilis and Leslie Rock, who are both real estate brokers, acquired the firm, bringing to it vast experience and expertise in local real estate. Along with partners John Wuestman and Donna Arndt, they oversee a 300-agent base that covers a large part of the Baltimore Metropolitan area, including Baltimore City and the counties of Anne Arundel, Baltimore, Carroll, Frederick, Howard, Harford, Montgomery and Prince Georges. RE/MAX Advantage Realty is headquartered in Columbia, Maryland, with other offices in Annapolis, Baltimore, Eldersburg, Fulton and...