Thomas Sibley received his M.Th. from New Orleans Baptist Theological Seminary, and his Ph.D. from Western Seminary. He served as a head of the Department of Bible and Religion at Columbia Christian College, in Portland, USA. He published four books, ten courses and many articles in scientific and specialized journals. He served in various church ministries, as a preacher and a senior pastor, for more than forty years. Now he teaches New Testament and Practical Theology. He lives outside of Zagreb with his wife Sandra.