Justine is Professor of Law at the University of Massachusetts School of Law, where she teaches Family Law, Family Law Practice, Civil Procedure, and Access to Justice. Justine also directed a domestic violence clinic at American University Law School and has published articles in the area. Justine was a Staff Attorney and Managing Attorney in the family branch of The Legal Aid Society of the District of Columbia. She was later Director of the Counsel for Child Abuse and Neglect in the D.C. Superior Court. Justine lives in Providence and volunteered at Sojourner House before joining the board in 2019.