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2022 Coaching Staff

Matt McDonnell

Head Coach

Coach McDonnell- also known as Coach Mac has been coaching football for 8 seasons, seven in the high school ranks. He has been on the Laser staff since 2018, where he joined as the defensive coordinator. In 2019 he was promoted to Head Coach. In his first season, he helped guide the Lasers to the playoffs for a school tying 3rd straight year, and marquee victories over CMH and Arrowhead.  He strives to run a player-centered program and wants everyone to experience what football has to offer. Coach Mac has an extensive coaching background, having coached in Florida, Mississippi, and Ohio. During his seven years of coaching high school, his position group has had 20 all-conference players, 8 all-area, 4 all-region, and 2 all-state players. He also played a major role in helping Olive Branch HS in Mississippi turn around the program from 0-11 to 12-2 in just one season, finishing 3rd in the state. Coach Mac also spent 3 years in video work at Wisconsin-Whitewater and spent a year with Hiram College in Ohio.

Coach McDonnell married his wife Allie in July of 2017. They had their first child, Myles, in August of 2019.  Coach Mac is a special education teacher at Kettle Moraine Middle School. 

You can follow Coach Mac on Twitter: @coach_mcdonnell and email him at if you have any questions or want to talk about the Laser Football Program.

Chad Buchholz

Defensive Line

Coach Buchholz is in his 11th season coaching for Kettle Moraine and this year is taking on the Defensive Coordinator position. He coaches defensive line for our Lasers and 8 of those 11 years have been at the varsity level.  During those 8 years, Coach Buchholz has coached 17 All-Conference, 5 All-Area, 2 All-Region and 1 All-State athletes.  

Coach Buchholz played high school football at Port Washington from 1990-1993. He continued his football playing career at Carroll University from 1993-1997 where he was awarded Team Captain as well as earning 1st Team All-Conference honors at defensive end.  The Pioneers went on to become Conference Champs that year.  

While attending Carroll University Coach Buchholz earned his BS in Education while minoring in Early Childhood.  He quickly went on to earn his Masters in Education through Aurora University. Right out of college, Coach Buchholz landed a teaching position in kindergarten at Cushing Elementary.  He has taught for 22 years in the district and is currently teaching at Wales Elementary. In 2016, Coach Buchholz became a published author with a math unit called Shaping Up the Yard.  Recently, Coach Buchholz was also awarded the Innovator of the Year award for Kettle Moraine.  He lives in Waukesha with his wife Christa and two children, Claudia and Cade.

Coach Buchholz can be reached at 

Kevin Yarbrough

Coach Yarbrough, also known as Coach Yarby, is entering his 9th year coaching football and track at KM. During his tenure at KM, Coach Yarbrough has served as QB’s coach, WR’s coach, RB’s coach, freshman head coach, JV offensive coordinator and Varsity offensive coordinator. Since arriving at KM coach Yarbrough has coached multiple All State, All Region and All Conference players. In 2014 Coach Yarbrough was selected as the Classic 8 Offensive Assistant Coach of the Year and WIAA SE Region Offensive Assistant of the Year.

This will be Coach Yarbrough’s 21st year coaching varsity football in Wisconsin with previous coaching stints at Brookfield East, Mukwonago, Waukesha North, and LaCrosse Logan. He graduated from UW - LaCrosse with a degree in Exercise and Sport Science and teaches PE at Wales Elementary. Coach Yarbrough is originally from Oklahoma where he graduated from Westmoore HS and went on to play football at the University of Oklahoma before transferring to UWL. Coach Yarbrough played football and ran track while at UWL, earning All American honors in track and field and helping capture a national championship in 2001.

Coach Yarbrough is married to his wife Sarah and they have three beautiful kids; Everett 10, Adeline 8, and Leila 5. 

You can follow Coach Yarbrough on twitter: @yarby03 if you have questions about Laser football you can email him 



Nick Schroeder

Coach Schroeder is entering his second season coaching Quarterbacks at Kettle Moraine. He previously coached at Lakeland University as the Passing Game Coordinator, Wide Receivers and H Backs Coach as well as the Head Strength and Conditioning Coach. During his three seasons at Lakeland University, he coached 7 All-Conference Wide Receivers and Tight Ends as well as one All-American Wide Receiver.

In 2017 he was a part of an offense that broke the NCAA record for most yards per game. In 2018 he aided in coordinating the top offense in the Northern Athletic Collegiate Conference and in 2019 aided in coordinating a top 5 rushing offense in all of Division 3 football. While coaching at Lakeland University he earned a BA in History and a MBA in Finance. 

Coach Schroeder can be reached at


Brad James

Coach Brad James is entering his second season at Kettle Moraine, coaching the defensive backs.  He will also be coaching the freshman football team and assisting Coach Mac with the Junior Laser program.  Previously, Coach James coached wide receivers at Arrowhead High School. He began his football coaching career with the Lake Country Chiefs youth football organization and coached 4 years. 

Coach James lives in Dousman with his wife and three children Noah (Freshman, St. Norbert College), Emma (Class of 2021 KMHS) and Kylie (5th grade Dousman Elementary).

Coach James can be reached via email at
Or by cell: 414-870-0740

Auggie Hengel

Coach Hengel is entering his first year as offensive line coach at Kettle Moraine. Coach Hengel played high school football for Columbia High School (Columbia,IL), where he played offensive and defensive line. He continued on to play at the University of Wisconsin-Whitewater where he spent three years on the offensive line. Coach Hengel graduated from UW-Whitewater this past winter majoring in Health and Human Performance with a minor in coaching.

Coach Hengel can be reached by email at

Coaching Resources


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