High School Coaching Staff

Varsity Coaching Staff

Coach Jared Essler

Coach Jared Essler has been the Head Coach at STMA since the Fall of 2011. Currently, he serves as the Wide Receiver Coach and the Offensive Coordinator. Prior to coming to STMA, he coached at NDSU, Maple Grove HS, and Coon Rapids HS. Coach Essler has guided the Knights to four Section Championships in seven years, as well as a Class 5A State Championship in 2015. He was named MN Class 5A Coach of the Year in 2015, and MN Class 6A Coach of the Year in 2017. Coach Essler teaches Social Studies at STMA HS and is married to Kinsey, a guidance counselor at STMA HS. They have three kids; Carter (9), McKenna (7), Kira (4).


Coach Tim Gavinski

Tim Gavinski works with the STMA Inside Linebackers.  Coach Gavinski has coached high school football for 16 years, with 11 years at Greendale HS in Wisconsin and the past 5 years at STMA.  Tim works as an Insurance Claims Supervisor during the day and is married to Theresa.  Coach Gavinski has three step-daughters; Lauren, Emily and Olivia Landry.

Coach Sean Scharlau

Sean Scharlu is entering his first year coaching the STMA Defensive Line. Sean is a recent STMA HS and University of St. Thomas graduate, playing football at both stops. Sean is an accountant during the day, and is engaged to be married this off-season.

Coach Curt Hahn

Curt Hahn works with the STMA Running Backs and has 31 years of high school football coaching experience, 28 years with Knights Football. Curt also coaches the JV Offense. Curt is a High School English Teacher at STMA and serves as Assistant Basketball and Head Boys Track & Field Coach. Curt has six children; Dallas, Elliot, Garret, Haley, Courtney, and Levi.

Coach Ben Sebold

Ben Sebold coaches Outside Linebackers for the Knights and works with the JV Defense. He has 19 years of high school football coaching experience, the last 5 years with the Knights. Coach Sebold is a Health and Physical Education Teacher at Brooklyn Center HS. He is married to Amber, and they have a son Kaden (11) and daughter Riley (8).

Coach Gavin Duncanson

Gavin Duncanson coaches the Defensive Line and is the Defensive Coordinator for STMA. Gavin has 13 years of high school coaching experience. Coach Duncanson teaches 2nd grade at Fieldstone Elementary, and is married to Ashley. They have a son Tristyn (12), and daughters Brooklyn (5) and Kendall (3).

Coach Eric Arlien

Eric Arlien coaches the STMA Offensive Line. He has 5 years of high school coaching experience, all with STMA. Coach Arlien works as a Social Studies Teacher at STMA High School, and is married to Theresa.

Coach Ron Zopfi (Not Pictured)

Ron Zopfi coaches the STMA Defensive Backs and JV Defense. Coach Zopfi has coached high school football for 21 years, with the last 5 at STMA. Ron retired after a career as an educator and athletic director. Ron is married to his wife Kim and they have two children, Ryley and Alli. Ron also coaches 9th grade boys basketball at STMA.

Coach Scott Palmer (Not Pictured)

Scott Palmer works with the STMA Quarterbacks. Coach Palmer has coached high school football for 26 years, with the last 3 years at STMA. Scott is a Social Studies Teacher and Head Track & Field Coach at Buffalo High School. He is married to wife Rhonda and they have two daughters, Allie (20) and Jenna (16).

10th Grade Coaches

Jesse Anderson

Frank Simmons

Dan Green

Slade Simpson

Bob Clauson

Eric Holmlund 

Not Pictured


9th Grade Coaching Staff

L-R:  Doug Sander, Erik Christenson, Roger Bovee, Rich Jensen, Jed Swensen.  Not pictured:  Josh Fischer