Rev. Jon D. Vieker is the senior assistant to Rev. Matthew C. Harrison, president of The Lutheran Church—Missouri Synod (LCMS).
Prior to joining the president's staff in September 2010, Vieker served as assistant director for the LCMS Commission on Worship, a position he began in November 1998. In that position, he was involved with all aspects of research, development, editing and production of Lutheran Service Book and its core companion volumes.
A native of Livingston, Calif., Vieker received a Master of Divinity and a Master of Sacred Theology degrees from Concordia Seminary, St. Louis, Mo. He received a bachelor's degree in music from California Lutheran University, Thousand Oaks, Calif. Vieker is currently completing his doctorate at Concordia Seminary, focusing on the history of LCMS hymnals and their hymnody.
Vieker has served as editor for a number of publications, including Festschrift volumes in honor of Norman Nagel and Ronald Feuerhahn, and Through the Church the Song Goes On, a collection of essays published by the LCMS Commission on Worship. He has also written a variety of articles on Lutheran hymnody and liturgy and is a composer with choral settings and organ preludes published by Concordia Publishing House and Liturgy Solutions.
Prior to serving with the LCMS Commission on Worship, Vieker was a parish pastor for nine years at St. Mark's Lutheran Church, West Bloomfield, Mich. He has also served as organist and choir director in a variety of settings.
Vieker and his wife, Kim, live in Manchester, Mo., and are members of St. Paul's Lutheran Church in Des Peres, Mo., where they serve in the parish choral and instrumental ensembles. They have two grown children.