Fusion Church Team


  • Steve Trefz - Teaching Pastor

    Steve serves as one of the pastors at Fusion Church.  Steve also teaches at Dakota Wesleyan University, Garrett-Evangelical Theological Seminary (Evanston, IL), and Sioux Falls Seminary (Sioux Falls, SD). Steve and his wife Rebecca have two boys - Brady and Henry.  Steve holds a Doctor of Ministry degree from Garrett-Evangelical and a Bachelor's degree in applied psychology from South Dakota State University.  Steve's hobbies include being dad, watching/coaching/playing sports, and talking about God while eating food with people (hint, hint)! 


  • Taryn Ragels- Director of Ministries

    Taryn serves as the Director of Ministries at Fusion Church, helping to connect people to Fusion and ultimately helping them to encounter God in their faith. Taryn and her husband Adam both grew up in Mitchell and graduated from South Dakota State University.  Taryn has a degree in Human Development and Family Studies and is currently working on her Master of Divinity through Wesley Seminary. She has previously served as ministry assistant for small groups, local outreach, events, and college ministry at GracePoint Wesleyan Church in Brookings, SD. Taryn also loves to run, play piano, cultivate her green thumb, and ice cream as much as possible. 

  • Alyssa Stemper- Treasurer

    Alyssa serves as the Treasurer for Fusion.  She was born and raised in Mitchell, and now she is growing her family in Mitchell as well. Alyssa, her husband Sid, and their son Jace all attend Fusion regularly.  Alyssa recently graduated with her Bachelor's degree in accounting from Dakota Wesleyan University.  She will be completing the MBA program at DWU as well.  Alyssa and Sid also serve as worship leaders at Fusion.  Along with her roles at Fusion, Alyssa works at Trail King in the accounting department. 

  • Becky Hoffman-Finance Officer

    Becky is the Finance Officer for Fusion.  She is originally from Corsica, SD.  Becky and her husband, Matt, live in Parkston.  They are proud new parents of their daughter, Eliza, born in August.  Becky graduated from Mitchell Technical Institute with an Associate’s Degree in Medical Transcription.  She now works with the engineering staff at Vantage Point.  Matt and Becky enjoy attending events their niece and nephews are involved in and camping.  


  • Mateya Berg- Communications Director

    Mateya is the Communications Director for Fusion. She is originally from Wagner, SD. Mateya and her husband Robbie live and farm on an acreage east of Parkston. They have three children: Hayden, Brooks, and Ramsey. Mateya graduated from Augustana College (now Augustana University :) ) with a B.A. in Business/Communication.  Along with her role at Fusion, Mateya works as a Student Success Coach at Mitchell Technical Institute. Mateya also enjoys running, camping, and spending time with her family. 

  • Matt Nielsen - Co-Youth Ministry Director

    Matt serves as the Youth Ministry Director at Fusion.  He grew up in Mitchell and then attended South Dakota State University.  He graduated with an engineering degree and met his wife Kellie.  They were married right after graduation and moved to Mitchell where Matt works as a design engineer for Trail King.  Matt and Kellie are very proud Jackrabbit fans and are looking forward to attending football games in the new stadium! They are  also loving being new parents to their sweet baby girl, Mel, born in January!



  • David Beukelman- Co-Youth Ministry

    David serves as the Youth Ministry Director at Fusion with Matt Nielsen.  He grew up in Mitchell and attended South Dakota State University and Oklahoma Wesleyan University.  He returned to Mitchell in 2014 and currently works as a network technician at Plastow and Associates, helping small businesses around the area.  David is also the assistant and junior varsity basketball coach at Mitchell Christian School.

  • Lily Jones - Office Coordinator

    Lily serves as the office coordinator for Fusion Church. She is a current student at Dakota Wesleyan University majoring in Christian Leadership and Theatre. Lily grew up in Omaha Nebraska the oldest, with her two brothers, Simon and Theo and her parents Matt and Brenda. She has been very involved at DWU with Student Ministry Council, Theatre productions, and Wesleyan Bell choir. Lily plans to go on to seminary after finishing her undergrad in 2019. Lily also enjoys being a writer, camping, watching the Huskers lose, and doing homework (at least that is what all her professors think!)

Lead Team

Fusion's Lead Team is made up of 13 people from the congregation of Fusion.  They meet every 6 weeks to help guide and lead Fusion along the path that the staff and Lead Team feel God is calling Fusion to go. Within the 13 people the Lead Team as 2 co-chairs and 3 point persons.  For more information about their role and ways to contact them read below.


Staff-Pastor Parish Point Person -Troy Moller

Finance Point Person- Jeff Logan

Trustees Point Person- Amanda Leighton

Lead Team Co-Chairs- Dave Roy and Ashley Brua

Pam Bathke, Glenda Gerlach, Marc Mebius, Sonya Moller, Kat Godfrey, Zach Gors, Jory Hansen, Diane Kenkel