A long-time resident of Long Island, New York, Lostritto is actively involved with Friends Academy, an independent Quaker college-preparatory private school located in Locust Valley, serving early childhood through 12th grade.
As a former Friends Academy parent, she is a member of the Board of Trustees and of the Governance Committee that works to bring diversity and balance to the Board. Lostritto also helps oversee new building construction, maintenance of the campus and existing buildings at Friends Academy in her role as clerk of the Buildings and Grounds Committee.
In addition to her work at Friends Academy, Lostritto is a member of the Board of Regents at NYU Langone Hospital and also manages a food pantry and a Faith Formation program at St. Paul the Apostle Church in Brookville, New York.
Lostritto graduated from Syracuse University in 1990 with a Bachelor of Architecture degree from the School of Architecture. After graduation, she worked as an architectural consultant at Avis Rent-a-Car and on commercial architecture projects for Gus Petrone and Frank Accordino. From 1995 to 1998, Lostritto was employed in the civil engineering division at Sear-Brown—an architecture, engineering, planning and construction services firm—where she worked on large highway and expressway projects, such as the renovation of the Queens Midtown Tunnel, as well as drainage and landscape architecture projects.