Lorna joined World Impact staff in 1991. She began her missionary service in Chester, PA (southern Philadelphia) as a community minister involved in children and youth Bible clubs, teen discipling, and cross-cultural church planting.
In 1997, Lorna joined The Urban Ministry Institute as administrative support staff, and then as Administrator supervising TUMI's administrative systems, schedule, and resources. Lorna now serves as TUMI's Chief Project Officer, which involves giving oversight and coordination to TUMI's numerous and diverse academic, urban ministry, leadership consultation, and training projects, as well as prioritizing and providing training, resources and support for those leading TUMI projects.