Our Staff

Aaron Koch, Pastor


Pastor Koch is a 1990 graduate of Concordia Seminary in St. Louis.  He served as an associate pastor at St. Peter Lutheran Church in Reedsburg from 1990-1994 and has been pastor at Mt. Zion from 1994 - present.   He is an adjunct theology instructor for Concordia University Wisconsin and served many years as the sermons editor for Gottesdienst, the journal of Lutheran Liturgy.  Several of his sermons and sermon studies have appeared in Concordia Pulpit Resources.  He has also written for CPH’s Portals of Prayer and Lutheran Witness.   



Wendy Prostek, Organist

Sara Kohlmeier, Office Secretary

Office Email: mountziongreenfield@gmail.com

Di'Anna Halverson, Custodian