Our Leaders

Pastor James Tiefel
Pastor James Tiefel has spent 45 years as a pastor and a teacher of pastors. After ten years of pastoring a large Michigan congregation, he arrived in Mequon in 1985 to become a professor at Wisconsin Lutheran Seminary where he taught courses in worship and preaching. Since retirement from the seminary in 2020, Pastor Tiefel serves St. John's and Trinity Congregation on Mequon's west side in a semi-retired role. Pastor Tiefel and his wife Brenda have two married sons and six grandchildren. They reside in the Trinity parsonage at 11450 N. Wauwatosa Road.


 Vicar Joshua Busch
Joshua Busch grew up in Rapid City, SD, where he attended the local Lutheran elementary school. He attended public high school in Rapid City and then began his studies at Martin Luther College in New Ulm, MN. After his graduation he enrolled at Wisconsin Lutheran Seminary in Mequon and after two years of study was assigned as a vicar at Beautiful Savior in College Station, TX where he was involved in campus ministry at Texas A&M University. He serves our congregation as he completes his senior year at the seminary. He carries out the major duties in the campus ministry at Concordia University-Wisconsin. He and his wife Lillian have a son, James, age six months.