Bill has been the CEO of national and international organizations in the for-profit and nonprofit world for well over two decades. Since 2010 he has served as President and CEO of Hope Rises International, formerly American Leprosy Missions, which was founded in 1906. He has been blessed to lead many boards and organizations around the world and most recently began serving as chair of the board for the Accord Network.

‍His experience running Christian ministry organizations for his entire career, coupled with a life-altering three-month sabbatical experience a few years ago, has shaped his desire to write and think about the role of spiritual practices in Christian parachurch ministries. Bill’s book The Way of Interruption released in March of 2025.

‍Bill graduated from the University of Tennessee with a BA in Political Science and is pursuing postgraduate studies in spiritual formation at Gordon–Conwell Theological Seminary.

Bill has been featured in The New York Times, NonProfit PRO, Authority Magazine, and the Leprosy Review.

J. Warner Wallace is a Dateline featured cold-case homicide detective, popular national speaker and best-selling author. He continues to consult on cold-case investigations while serving as a Senior Fellow at the Colson Center for Christian Worldview. He is also an adjunct professor of apologetics at Talbot School of Theology (Biola University), Gateway Seminary, and Southern Evangelical Seminary, and a faculty member at Summit Ministries. J. Warner became a Christ-follower at the age of thirty-five after investigating the claims of the New Testament gospels using his skill set as a detective. He eventually earned a Master’s Degree in Theological Studies from Gateway Seminary.

MARK CLARK is a senior pastor at Bayside Church in

California. He is the author of The Problem of Jesus and

The Problem of God and host of The Mark Clark Podcast.

He and his wife, Erin, have three daughters.