Greg has been a student of A Course in Miracles since 1991. He has been teaching and writing for the Circle of Atonement since 1999, and has written scores of articles for A Better Way, the newsletter of the Circle of Atonement, as well as other ACIM publications. He is the author of How Can We Forgive Murderer? and co-taught, along with Robert Perry, the Text Reading Program and the Daily Workbook Program, which consists of 365 recordings.