Johan Ferreira has taught ancient languages, biblical studies and theology for more than 30 years at various theological colleges and universities. He is the author of several scholarly books and articles in biblical studies and the history of early Christianity, including Theological Education: Discipleship and Suffering (2020), Micah: A Pastoral and Contextual Commentary (2017), Early Chinese Christianity: The Tang Christian Monument and Other Documents (2014), The Hymn of the Pearl: The Syriac and Greek Texts with Introduction, Translation, and Notes (2002), and Johannine Ecclesiology (1998).