Tom Sine is author of ten other books, including The Mustard Seed Conspiracy (1981) and The New Conspirators (2009). He has written articles for Sojourners Magazine, Christianity Today, The Other Side, Relevant, and Evangelicals for Social Action. He has also served as a futures innovation consultant with organizations like Habitat for Humanity, Tear Fund UK, and InterVarsity, as well as with numerous mainline denominations.

Dwight J. Friesen is a practical theologian and professor at The Seattle School of Theology & Psychology, where he trains future church leaders and offers transformational, immersive "New Parish" continuing education experiences for professionals. He also serves with Parish Collective, an international Christian organization that helps leaders and their groups recover the parish (neighborhood) as the natural platform by which the local church participates in whole-life discipleship in the Jesus Way. He is the author of four other books.