T. Hoogstein served in parish ministries for twenty-five years. He currently works in, on, and for covenantstudies.com. He holds degrees from Calvin University and Seminary, Grand Rapids, Michigan, as well as from De Theologische Hogeschool van de Gereformeerde Kerken, Kampen, The Netherlands, an institution now amalgamated with Amsterdam's Free University. He published The Tradition of the Elders, Covenant Works, Covenant Essays: One, The Christ Light, The Brantford Call, and Self-Examination.