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A Milwaukee, Wis. native, Pastor Jeske has served as the senior pastor at St. Marcus Lutheran Church on Milwaukee’s near north side since 1980.  During those earlier years of his long tenure there, he made a personal commitment not to abandon the inner city when racial tensions caused urban flight to accelerate.  He led the struggling church and its elementary school through those troubled times, not only keeping their doors from closing, but also helping both flourish and grow into the twenty-first century.  

Today St. Marcus is a thriving multicultural congregation of 1,000 members.  It successfully operates numerous outreach ministries. St. Marcus School is nationally known as an innovative, Christ-centered educational institution recognized for its high standards of academic achievement with an enrollment of 950. 

Before he began serving as the pastor at St. Marcus, Pastor Jeske spent a year in Colombia, South America, planting a mission church as part of his internship assignment while attending Wisconsin Lutheran Seminary in Mequon, Wis. He also spent two years teaching English, history, Old Testament, and geography at Northwestern Preparatory School in Watertown, Wis. prior to the beginning of his parish ministry at St. Marcus in Milwaukee.

Pastor Jeske has been bringing the Word of God to viewers of Time of Grace since the program began airing in November of 2001, on just one station in Milwaukee. By 2018 the broadcasts air on more than 125 stations, numerous cable networks, different satellite channels, Armed Forces television, and the internet. 

An accomplished instrumentalist (piano, but also organ, harpsichord, guitar, banjo, and mandolin, among others), Pastor Jeske enjoys playing with his church’s regionally known choir, United Voices of Praise.  He especially appreciates jazz, blues, and roots music.

In addition, Pastor Jeske has written a Bible commentary (James, Peter, John, Jude) and more than two dozen daily devotional booklets.  Numerous articles transcribed from his recent Sunday messages appear regularly in Time of Grace publications. Time of Grace, a collection of 365 devotional messages, appeared in print in the summer of 2010. Messiah Is Coming (2011) is a series of Bible studies of the great Messianic prophecies, Straight Talk (2012) is a response to about 120 tough questions sent by viewers and readers, and Grace for Today (2013), Grace in a Moment (2014), Timeless (2015), Set Free (2016), More Straight Talk (2016) continue the devotional series.

Pastor Jeske and his wife, Carol, an elementary school teacher, live on the east side of Milwaukee. They are blessed with four grown children; John, Sam, Liz, and Michael.