Brian J. Walsh serves as the Christian Reformed Church chaplain to the University of Toronto. With Richard J. Middleton, he wrote The Transforming Vision and Truth Is Stranger Than It Used to Be (both IVP). He is also the author of Langdon Gilkey (University Press of America, 1992) and Subversive Christianity (Alta Vista College Press, 1994).
Keesmaat is adjunct professor of biblical studies and hermeneutics at the Institute for Christian Studies in Toronto. She wrote two articles for the IVP Women's Bible Commentary, and she wrote the book Paul and His Story (Sheffield, 1999). She is also editor of The Advent of Justice (Dordt College Press, 1994).