Background
COSTELLO, JOHN was born on August 17, 1951 in Washington, District of Columbia.
COSTELLO, JOHN was born on August 17, 1951 in Washington, District of Columbia.
Bellarmine College; Catholic University of America (Bachelor of Arts, 1973. Juris Doctor, 1977). Law Clerk to Honorary John F. McAuliffe, Sixth Circuit, 1977-1978.
Working as a partner of MCCARTHY, BACON & COSTELLO. Admitted to the bar, 1977, Maryland. 1978, District of Columbia and United States. District Court, District of Maryland.
Montgomery County, Prince George’s County and Maryland State Bar Associations. The District of Columbia Bar. Insurance Defense, Arson and Insurance Fraud Defense and Products Liability Law.