David Mertens is in his second season as an assistant coach for the Wisconsin Lutheran College football team. He serves as the team’s defensive line coach.
Mertens previously served as inside linebackers coach at Marquette University High School for two seasons (2016-2017), where he mentored four all-conference linebackers. He previously coached for three seasons at Dominican High School as defensive coordinator (2015) and running game coordinator (2013-2014).
A 2017 graduate of the University of Wisconsin-Milwaukee, Mertens earned a bachelor of science degree in kinesiology.
Mertens, who played basketball and football at Kiel High School, is pursing a Master of Arts specializing in leadership and innovation at WLC. He lives in Milwaukee.