About Us

103535385911101CDPSam Hamstra, Jr. is the founder and leader of ChapterNext, a Chicagoland-based pastor search and church staffing consultancy dedicated to helping congregations open new chapters of dynamic and life-transforming ministry. Since 2007, Sam has been helping congregations turn the page so that they can begin writing new chapters of dynamic and life-transforming ministry.

Sam has been prepared for this work by nearly forty years of service to the local church. He has served five unique congregations and one Christian college. Through it all, he has experience as a youth pastor, solo pastor, senior pastor, worship leader, church planter, and college chaplain. As a consultant, his ministry is now expressed through teaching, writing, consulting, and coaching.

Sam is the author of several publications, including What’s Love Got To Do With It? How the Heart of God Shapes Worship (Wipf & Stock, 2016), an Affiliate Professor of Church History and Worship, and the Director of the Master of Arts in Worship program at Northern Seminary. In addition, he has been trained as an interim pastor and is affiliated with Interim Pastor Ministries.

Sam and his wife, Debbie (Ploegman), reside in the Chicago area. They have enjoyed over forty years of marriage; they have been blessed with four married children and four grandchildren, all of whom live in the Chicago area. In his spare time, you will find Sam hanging out with his family, watching a baseball game, playing piano, or fishing in the Upper Peninsula of Michigan.

Head ShotSally Morgenthaler joined the ChapterNext team in 2016. Since 2008, Morgenthaler has helped both evangelical and mainline congregations find quality lead pastors and worship staff.

Sally is recognized as an innovator in Christian practices worldwide. Known best for her books, Worship Evangelism and Emerging Worship, Morgenthaler became a trusted interpreter of North American cultural trends and a guide to the crucial shifts necessary to engage new perspectives and generations.

Morgenthaler has coached congregations from 100 to 20,000, helping leaders navigate key transitions in identity, vision, and implementation.  Her skills facilitating “conversations that matter” have helped congregations transcend dysfunctional patterns, develop healthy communication pathways, and establish collaborative models for greater impact in their communities.

Morgenthaler has been an adjunct professor on leadership, culture, and worship at a number of academic institutions, including Yale University, Asbury Seminary, Bethel Seminary, Denver Seminary, Fuller Seminary, George Fox Seminary, Gordon Conwell Seminary, The Seattle School of Theology, Baylor University, Oral Roberts University, Regent University, Texas Christian University, The Claremont Institute for Continuing Ministry Studies, and The Calvin institute for Worship.

She has also been a featured speaker at national worship conferences and is known for her long-running leadership columns in Rev Magazine and Worship Leader Magazine, as well as contributions to Leadership Journal and Outreach magazines.