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Matt Wallerstedt joins the Red Raiders as defensive coordinator after a one-year stop at Texas A&M.
A defensive coordinator in three previous coaching stints, former Kansas State All-American Matt Wallerstedt spent the 2012 season as the linebackers coach at Texas A&M. While at A&M, Wallerstedt worked along side offensive coordinator and now Texas Tech Head Coach Kliff Kingsbury.
In his first season at A&M, Wallerstedt helped the Aggies to an 11-2 season and a win over Oklahoma in the AT&T Cotton Bowl.
Wallerstedt moved to Texas A&M from the U.S. Air Force Academy where he served under Falcons head coach Troy Calhoun for four seasons. He coordinated the Falcons' defense and was the associate head coach the past two seasons after coaching the inside linebackers and serving as assistant head coach in 2008-09. Air Force faced Sumlin's Houston Cougars twice in bowl games during Wallerstedt's time in Colorado Springs.
Prior to his time at Air Force, Wallerstedt coached the linebackers at his alma mater for two seasons (2006-07), while also serving the special teams coordinator and recruiting coordinator for the Wildcats.
He began his coaching career in 1988 as a student assistant at Kansas State and served two years as a graduate assistant at Arizona State before taking a break from coaching and entering private business. His first full-time coaching position came at Fort Hays State for two years as a defensive line coach. From Fort Hays State he went to Emporia State for one year as a defensive backs coach and then landed at the University of Wyoming for six seasons working with the defensive line and inside linebackers. He was promoted to the Cowboys' defensive coordinator for the 2000-02 seasons. Wallerstedt spent one year at North Alabama as the defensive coordinator and two years at Akron as associate head coach/special teams/inside linebackers coach.
A 1984 high school graduate from Manhattan High School in Kansas, Wallerstedt was a four-year letterman at Kansas State leading the Wildcats in tackles as a junior and senior and earning honorable mention All-America honors as a linebacker for KSU in 1987.
Wallerstedt earned his bachelor's degree in business management from Kansas State in 1988, and a master's degree in athletic administration from Fort Hays State in 1995. Wallerstedt is married to the former Josie Lewis of Lawrence, Kansas, and the couple has a son named Cal.