Koonz comes to Green Bay after a long collegiate coaching career, including the past five seasons (2020-24) at West Virginia University as the special teams coordinator and inside linebackers coach. He also worked as the defensive coordinator for the Mountaineers for the last part of the 2024 season. Koonz came to West Virginia after serving as the inside linebackers coach at Ole Miss for the 2019 season. Prior to that, he spent two years coaching the linebackers at North Texas (2017-18), adding co-defensive coordinator duties for the 2018 season. Koonz spent the previous three years at Cincinnati, coaching the safeties in 2014 and the linebackers in 2015-16. The Wallkill, New York, native also coached in college at Louisiana Tech (2010-13), Texas (2009 and 2005-06), Iowa State (2007-08) and Auburn (2004).

Koonz comes to Green Bay after a long collegiate coaching career, including the past five seasons (2020-24) at West Virginia University as the special teams coordinator and inside linebackers coach. He also worked as the defensive coordinator for the Mountaineers for the last part of the 2024 season. Koonz came to West Virginia after serving as the inside linebackers coach at Ole Miss for the 2019 season. Prior to that, he spent two years coaching the linebackers at North Texas (2017-18), adding co-defensive coordinator duties for the 2018 season. Koonz spent the previous three years at Cincinnati, coaching the safeties in 2014 and the linebackers in 2015-16. The Wallkill, New York, native also coached in college at Louisiana Tech (2010-13), Texas (2009 and 2005-06), Iowa State (2007-08) and Auburn (2004).