Mez is the co-founder and director of 20schemes, a ministry dedicated to planting and revistalizing gospel churches in Scotland's poorest communities. He was the pastor of Niddrie Community Church in Edinburgh from 2007 to 2022. Previously, Mez served in Brazil as a missionary among street children. He is the author of numerous books, including The Creaking on the Stairs: Finding Faith in God through Childhood Abuse, Church in Hard Places, and his latest book, The Least, the Last & the Lost. Mez and his wife Miriam have two children.

Dr. Logan is the founder and President of Grimké Seminary in Richmond, VA. Doug planted and pastored Epiphany Fellowship Church in Camden, NJ. Before that, he served with Eric Mason as the Connections Pastor of Epiphany Fellowship in Philadelphia, PA. Currently, he is the Pastor for Church Planting at Remnant Church in Richmond, VA. He is also the author of On the Block: Developing a Biblical Picture for Missional Engagement as well as numerous articles. Doug and his wife, Angel, have been married since 1996 and have three sons.