Bill Donahue (Ph.D., University of North Texas) is founder and lead strategist for The Communitas Network, which coaches and equips catalytic leaders to build transformational teams for the purpose of mobilizing missional communities. He also serves as an adjunct teacher at a number of seminaries, training both master's and doctoral students in church leadership and small group ministry.He previously served as executive director of small group ministries for the Willow Creek Association (WCA), where he developed leadership strategies and training events for over 2500 volunteers. He has also worked as an associate pastor in Texas and Pennsylvania, and at Proctor & Gamble and PNC Financial Corporation.He is the author of Leading Life-Changing Small Groups and coauthor of Building a Church of Small Groups, The 7 Deadly Sins of Small Group Ministry and Walking the Small Group Tightrope (all with Russ Robinson). With Greg Bowman he is the author of Coaching Life-Changing Leaders. He has also written In the Company of Jesus and the Jesus 101 small group study series (with Keri Wyatt Kent).
Russ Robinson, formerly executive director of small groups at Willow Creek and senior pastor of Meadowbrook Church in North Haledon, New Jersey, is coauthor with Bill Donahue of The Seven Deadly Sins of Small Group Ministry. He continues to speak and write while practicing law in Hoffman Estates, Illinois.