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. 

  • Molly Weis - Children's Volunteer Coordinator

    Molly is our Children's Volunteer Coordinator. She's in charge of making sure all of our teachers for Children's Church and Nursery are scheduled and have the material they need for their groups each Sunday. If you're interested in helping with Fusion Kids in any way, connect with her!

  • 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.  


  • Ariana Arampatzis - Communications Director

    Ariana is Fusion's Communications Director. She helps with everything from creating graphics, to running our social media, to helping with advertising. If you're in charge of a Fusion evert, talk with her and she'll help you promote it!

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.


Lead Team Co-Chairs- Dave Roy & Amanda Leighton (also Trustee contact) 

Staff-Pastor Parish Point Person -Troy Moller

Finance Point Person- Jory Hansen

Trustees Point Person- Amanda Leighton


Marc Mebius, Sonya Moller, Zach Gors, Diane Kenkel, Ashton Diede, Taya Swanson, Tyler Laffey, and Steph Eliason