In 1980 the Langstaff family moved to Minnesota, in the United States. There Dorothy continued to serve alongside her husband. When he became Senior Pastor of Antioch Christian Fellowship she was co-pastor, leading the woman's ministry, organizing retreats and conferences and being actively involved in Antioch Christian Training School (ACTS) as a lecturer and leader of the student small group ministry. She was co-founder of Kairos Ministries Inc.
The Lord has used Dorothy over many years through prophetic insight and wisdom to minister to the body of Christ and individual believers. She has a fresh mandate to see the church and its leaders realeased to fulfill the purposes of God. She has a call to prophetic intercession and has been a member of Prayer Walk America, as well as counselling and mentoring emerging leaders.
She is the author of 'Called Together' which tells the story of Alan and Dorothy's life and ministry in Australia before they moved to America.
Dorothy and her husband, Alan, have two married daughters, Beth and Joy and six grandchildren.