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

  • 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

  • Steve Auch,
    Non-Governing Elder

    Steve and his wife, Anita, have two married daughters and four grandchildren. At Calvary, Steve has been a member of the Elder Board, Missions Committee, and has participated in several short-term overseas trips. Since moving to Yankton in 2008, he has been active in prison and jail ministries as well. Steve is retired from a career at USDA and keeps busy on the family farm raising corn and soybeans.

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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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  • Joey Graber,
    Non-Governing Elder

    Joey has been attending Calvary with his family since 2009. He and his wife Patti live on a grain and livestock farm 35 miles north of Yankton just outside Freeman, SD. They have 5 children.  Joey loves teaching Sunday School, loves working with the youth at Calvary, and loves to participate in  sports (especially Triathlons).


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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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  • Steve Mach

    Non-Governing Elder

    Steve Mach has served in a variety of positions including men’s ministry and the leadership team of the Encore community. He and his wife, Carmen, have 2 children and 5 grandchildren. Steve is a physical therapist at St. Michael’s Hospital in Tyndall, SD and in his spare time enjoys bike riding and hiking and working alongside volunteers packing meals for children around the world.




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  • Dave Rehurek

    Non-Governing Elder

    Dave Rehurek has served on the Trustee Board, ENCORE Community, Men's Ministry, and other Calvary teams.  He and his wife Sheryl have 5 children and 4 grandchildren. Dave is retired from a career with Alcoa and now operates Dave’s Full Throttle Dyno Shop. Any spare time is devoted to the blessing of being a grandparent, biking, hiking, racing, and community service.

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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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  • Jeff VanMeeteren,
    Non-Governing Elder

    Jeff has served in a variety of positions including youth ministry, men’s ministry, the trustee committee, and as a deacon. He and his wife, Pam, have 4 children and 1 grandchild. Jeff is a Regional Park Supervisor for the SD Game Fish & Parks and in his spare time enjoys hunting and fishing in the great outdoors, and golfing with his wife.

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