Dan holds several faculty appointments. He is a senior research academic at South African Theological Seminary. Also, he is a professor of biblical theology at the Institute of Lutheran Theology (in South Dakota). Moreover, he is a dissertation project faculty advisor at Portland Seminary (part of George Fox University in Oregon). Finally, he is a professor in the School of Continuing Theological Studies at North-West University
Keywords: Corinth; head coverings; public worship; gender identity; hierarchy; subordination; Greco-Roman culture.