Our Team

We are here to serve you.

  • Errin Mulberry – Lead Pastor/Elder

    I attended Cedarville University where I studied communications and Bible, and am pursuing my Masters in Ministry at Capital Seminary.  I have been serving in full-time ministry since 2001, most recently as an associate pastor at a church in Philadelphia.  I enjoy preaching, teaching, discipling, and counseling, and am excited to see how God will continue to use me for His glory.   My wife, Jennifer, and I have 4 children.  I love the Lord, my family, and the Philadelphia Eagles.  I enjoy riding motorcycles, peanut M & M’s, and churros from Taco Johns.   

    Email Pastor Errin

  • Aaron Crider – Student Ministry Pastor

    I answered the call to Calvary Baptist Church after serving in a church in western Pennsylvania for nearly a decade. I attained a B.A. degree in Communications Studies and Christian Education from Westminster College in 2015.  My wife, Annaliese, and I were married in 2015 and were blessed with our daughter, Roselyn, in 2016. Together we enjoy Legos, cooking, and spending time outdoors doing whatever we can.   I love relationships and getting to know people and their stories. It is also this empathy and passion for relationship that fuel my drive in ministry. I am thankful to be here and look forward to many years as the student pastor.  

    Email Pastor Aaron

  • Laura Kotalik – Children's Ministry Director

    I started attending Calvary as a child and am so excited to minister here as an adult! I have my Master's Degree in Elementary Education and have experience both in teaching and administrative roles. My husband, Tim, and I have three children. I enjoy crafting and baking.

    Email Laura

  • Brian Brandt, Elder

    Brian and his wife, Stacy, have attended Calvary since 2003. Brian and Stacy have 3 children and live west of Yankton. Brian has served Calvary on the Trustee Board, led small groups, volunteered in AWANA, and youth ministry. Brian works as a Psychiatric Nurse Practitioner. In Brian’s free time, he enjoys spending time with family and farming at the family farm. 

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  • Larry Clark, Elder

    Larry began attending Calvary in 2004. He has served on the Governing and Trustee Boards, Building Committee, and facilitated Bible studies and men’s groups. He is retired from the family business, Clark’s Rentals. Larry and his wife, Joan, have 4 children, 12 grandchildren, 2 great-grandchildren, and seven years ago became guardians of Larry’s cousins, two girls. Larry and Joan enjoy spending time with grandchildren, traveling in their motor home, and taking long walks.  

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  • Keith DeJong, Elder

    Keith started attending Calvary in 1981. He has served the church on the Governing Board, Trustee Board, Deacon Board and Adult Leadership Team. Keith has also served as a teacher for both AWANA and Sunday School. Keith is a retired Civil Engineer and enjoys hunting, fishing, basketball, and almost anything outdoors. Keith and his wife Denise live in Yankton. They have five children and ten grandchildren.

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  • Will Eidsness, Elder

    Will, his wife Hilary, and their 4 children  have attended Calvary since they moved to town in 2007. You can often find them doing something involving sports or the outdoors. Will enjoys teaching 5th and 6th grade Sunday School, leading Fellowship of Christian Athletes at Yankton High School, and his job as the Radiologist at Yankton Medical Clinic.

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  • Jerry Gustad, Elder

    Jerry and his wife Amy live on a farm near Volin with their 4 children.  He works as an Engineer with Ehresmann Engineering. Jerry teaches Sunday School, helps with AWANA, is an usher and has served on the Trustee Board in the past.  In his spare time he enjoys watching his kids in their various sporting activities.

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  • Mark Stevens, Elder

    Mark has been a member of Calvary Baptist for over 40 years. He and his wife Deb have 3 children and 1 grandchild.  Mark has served in various areas of ministry including youth, music, teaching, and leadership. A recent highlight in his life was a trip with family and friends to Israel. He says you can never read or study the Bible the same way after such a trip.  

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