Background
Costello, Daniel Christopher was born on September 21, 1966 in Brooklyn.
Costello, Daniel Christopher was born on September 21, 1966 in Brooklyn.
Bachelor, U. Maryland., 1987; Juris Doctor, U. Maryland., 1990.
Judicial clerk honorary Theodore G. Bloom, Annapolis, Maryland., 1990-1991; partner, Wharton, Levin, Ehrmantraut, Klein & Nash, Annapolis, Maryland., since 1991.
Member American Bar Association, Maryland. State Bar Association, Anne Arundel Bar Association Alpha Delta.