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John Costello is a lawyer with practice area includes Personal Injury in Bowie, Maryland.
Maryland
Washington
Maryland Association for Justice (2021)
District of Columbia Bar Association (2019-Present)
Prince George’s County Bar Association (2016-Present)
Maryland State Bar Association (2016-Present)
Montgomery County Bar Association (2011-Present)
American University, Washington College of Law, Washington, District of Columbia J.D.
University of Delaware B.A.Major: Communications