Marie Costello-Inserra was born in Bronx County, New York, and grew up on City Island. A graduate of Iona College in New Rochelle and Fordham University School of Law, she is a practicing attorney of twenty-eight years.
Admitted to practice in North Carolina and New York, Inserra began her career in the Bronx district attorney's office in 1988 as an assistant district attorney. She has since worked in civil litigation and currently works with the office of the Durham County attorney in North Carolina as a senior assistant county attorney specializing in litigation.
The Costellos' involvement in law began with Inserra's father, Thomas P. Costello, the subject of Counsel for the Accused Marine Corps Drill Instructor. Her uncle and two cousins also practice law.
Inserra currently resides in Cary, North Carolina, with her husband of thirty-six years, Paul Nicholas Inserra. They have two adult children.
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