Allen is a writer and teacher of A Course in Miracles and currently works with Course students in Portland, Oregon. He has written a number of books and booklets on the Course, including A Healed Mind Does Not Plan, Seeing the Bible Differently, the Workbook Companion series on the Internet and in book form, as well as co-author of Let Me Remember You. Before joining the Circle of Atonement for several years, he published Miracle Thoughts newsletter and led Course study groups in New Jersey.