Sheena’s interest in mission began in her early family and church life and led her to study at All Nation’s Christian College and then to UCCF in Scotland as a full-time staff worker. She went on to serve as a teacher and trainer at Capernwray Bible School in Lancashire, at London Bible College (now London School of Theology) as Director of Training, and at All Souls Church, Langham Place, where she worked as a Senior Associate Minister for 11 years. She also taught at events and conferences.