N.J. Mastro is a former school administrator who prior to writing historical fiction hosted her own blog for five years while serving as a school superintendent. She later spent two years blogging for a small educational nonprofit.

Mastro holds a doctorate in educational leadership. She is a member of the South Carolina Writers Association and serves as its Vice President for Membership. She is also a member of the Historical Novel Society. Her pastimes when not writing include reading, cooking, and traveling.  She lives with her husband in South Carolina and has one grown son.