Graphic Design

Hannah Litterer

Hannah Litterer joined Stonebrook’s staff in 2023 as a part-time Communications Associate and Graphic Designer. She studies Graphic Design at Iowa State and is responsible for designing official graphics, handouts, and signs for Stonebrook alongside Summer Barber. Outside of work, Hannah enjoys journaling, reading, napping, and having fellowship with friends. If you ever see her, ask her about her favorite animal the Stingray.
Campus Ministry

Hannah Wigdahl

Hannah serves as a part-time resident for Campus Fellowship. She grew up in Ames attending Stonebrook, spent two years at DMACC in Ankeny, and is now a senior in Elementary Education at ISU.  She lives in the dorms on campus and enjoys being outside, reading (especially autobiographies), and listening to frogs.

Heather King

International Student Ministry, Welcome Team

Debbie Younkin


Scott Hanson

Communications, Women’s Ministry

Summer Barber

Summer Barber is the Communications Coordinator and Director of Women’s Ministry at Stonebrook Church. She and her husband Kevin moved to Ames in 2004 and couldn’t have asked for a better community in which to raise their three children.  Summer completed her Doctorate in Occupational Therapy at Creighton University in 2003 and provided therapy for many children and adults over the course of 17 years. In God’s great wisdom and goodness, Summer was led into ministry through an international and interdenominational organization…
Campus Ministry Director

Toby Doffing

Toby serves full-time as Campus Ministry Director for our college ministry, Campus Fellowship. Toby has a heart to reach the campus of Iowa State University with the Gospel of Jesus Christ and see it come alive in students’ hearts. His role on staff entails discipling students, evangelizing on campus, planning/leading events, and teaching at CF’s midweek services. In his free time you can find him disc golfing, doing anything outdoors, or hanging out with students on campus. If you see…
Campus Ministry, Children’s Ministry

Allison Bailey

Allison joined the Stonebrook staff in 2022, after serving in a parachurch camping ministry for 3 years. She graduated with her Bachelor’s from the University of Northern Iowa in 2018 and is currently pursuing her master’s in biblical counseling online through Midwestern Baptist Theological Seminary. At Stonebrook Allison serves as part of the Campus Fellowship college ministry staff and coordinates the children’s ministry. She is passionate about learning, and loves making others’ days a little brighter through a well-timed pun.

Joyce Bannantine

Joyce has been married to John for 30 years and they have 4 children, 3 who are now adults. She will finish her last year of homeschooling as their youngest child will graduate from high school nest year! She currently works part-time as a home care provider which perfectly matches her desire to serve others who are in need. Together, Joyce and John enjoy any time spent with family! “The only thing that counts is faith expressing itself through love. ” Galatians 5:6b (NIV)

John Bannantine

John Bannantine was saved by the grace of Jesus in Spring of 1994. He has been a member of Stonebrook since Summer of 1999. He works as a research scientist at the USDA facility in Ames and has been married for 30-plus years.

Daniel Bush

Daniel works full-time at Pressure Point Cleaners, a power washing company in Ames, helping people schedule cleanings for their homes. He and his wife, Lydia, serve the Music Ministry on Sunday Mornings by mixing on the soundboard (Daniel) and singing on stage (Lydia). He also helps direct the financial reporting of Stonebrook alongside the Financial Team. In his spare time, he enjoys playing board games, video games, and card games, listening to music, mixing music, and dancing. 

Heidi Pool

Heidi has worked at Stonebrook since 2002. Heidi’s primary responsibility is church bookkeeping and financial reporting. She also carries out a variety of administrative duties. Heidi is married to Ron and they have four grown sons.
Pastor, Connections, Campus Ministry

Luke Anderson

Luke is serving at Stonebrook as a pastor focusing on evangelism and discipleship, and he also leads our campus ministry efforts. He, his wife Holly, and their four children work as a team to welcome new friends into their home each year as they reach out to Iowa State and the Ames community. Luke’s passions are sports, hiking, camping, climbing, and hammocking. The things that make him come alive are building deep relationships, and helping people see God for who…
Pastor, Music Ministry

John Shields

John is the worship pastor at Stonebrook Church. He has had a strong love for music from a young age and is passionate about proclaiming the glories of God, particularly the saving work of Jesus. You’re likely to find him singing and playing guitar in worship, but he’s been known to play another instrument or two from time to time. He has been married to his wonderful wife Julia since summer of 2010, and they have the most beautiful daughter…
Office Manager

Terri Huffman

Terri has attended Stonebrook since 1981 and has been married to Matt since 2010. She has a bachelor’s degree from Iowa State University in Home Economics Education. Terri has years of experience in non-profit management. Terri is responsible for event planning, project management, and office management duties at Stonebrook.  Terri is currently working on certification in Biblical counseling through ACBC. One of Terri’s favorite verses is Micah 6:8 – “He has shown you, O man, what is good; And what…

Ben Wyatt

Ben has been married to his wife Jing since July 2016 and they live together with two beautiful little daughters and two cats. He has been working in the financial services industry since 2007, currently specializing in metrics reporting and data analysis.
Ad Hoc Projects

Cliff Plymesser

Cliff has been attending Stonebrook since 2001 after getting involved with the college ministry. Seven years later, he finally talked his wife, Naomi, into marrying him and they now have six children. As a deacon he focuses on projects that fall outside of all the other deacon’s responsibilities. Cliff works full time as a project manager for Avec Design Build, a design build firm in Ames, and teaches part time at ISU. Outside of family, work and serving the church…
Sunday School

Dan Jones

Dan has served as a deacon since 2015, previously focusing on finances and communication, now with a focus on Sunday School administration. He and his wife Stephanie have four small children. He enjoys the elusive pursuit of smoking the perfect beef brisket. Dan works as a product design engineer.

Mike Anderson

Mike has been married to Judy Anderson for 37 years. He came to know the Lord during his sophomore year in college. After being pursued by Chris Biang, he made the choice to follow Christ when he was a senior, and chose to stay in Ames to grow with the church, which was known then as ISU Bible Study. Mike works as a professor at Iowa State University.

Dave Bovenmeyer

Dave Bovenmyer has been a pastor since 1974. Dave and Dawn currently lead a prayer/counseling ministry that has helped many deeply hurting people. Happily married since 1975, Dave and Dawn are the parents of seven children and have nine grandchildren.

Brad Barrett

Brad has a passion for teaching the Bible and making it relevant to everyday life, whether in large groups or one-on-one counseling. He and his wife Annette are both Iowa-born-and-raised, and they have four adult daughters and six grandchildren who provide him “more joy than a human should be allowed to have.”

Matt Heerema

Matt serves as pastor focusing on teaching and leadership development. He and his wife Nancy have four daughters. He is a musician and led in Stonebrook’s music ministry for 15 years before putting the guitar down. Matt is an avid reader and massive sci-fi geek. As a bi-vocational pastor, he also directs Mere Agency whose goal is to help the church use the web to impact the world with the gospel. You can connect with him at