David E. Fitch (PhD, Northwestern University) is the B. R. Lindner Chair of Evangelical Theology at Northern Seminary. He is also the founding pastor of Life on the Vine Christian Community, a missional church in the northwest suburbs of Chicago.He is the author of Faithful Presence, from which this book is abridged.

E. K. Strawser (DO, Philadelphia College of Osteopathic Medicine) is the co-vocational lead pastor of Ma Ke Alo o (which means "presence" in Hawaiian)-non-denominational missional communities multiplying in Honolulu-and a community physician at KeOla Pono. She is the founder of `Iwa Collaborative, a consulting and content-developing firm to empower kingdom-grounded leaders to navigate change, grow adaptive capacity, and foster local flourishing. Prior to transitioning to Hawaii, she served as adjunct professor of medicine at the Philadelphia College of Osteopathic Medicine and of African Studies at her alma mater, the University of Pennsylvania (where she and her husband served with InterVarsity Christian Fellowship), after finishing her Fulbright scholarship at the University of Dar es Salaam. She is the author of Centering Discipleship, and she and Steve have three seriously amazing children.

Alexia Salvatierra is an ordained pastor in the Evangelical Lutheran Church in America. For over eleven years she was the executive director of Clergy and Laity United for Economic Justice (CLUE). She teaches and trains people throughout the United States in the principles and methods of faith-rooted organizing.